2014年下半年在媒体上炒的沸沸扬扬的奥巴马新移民改革中总是涉及到STEM专业这个概念。STEM专业为科学、技术、工程和数学专业的统称，这些专业可以获得最多29个月的OPT时间。但究竟哪些专业算是STEM专业呢？
一听到STEM专业，29个月的实习时间，这一来，公司也觉得你这时间待的也够靠谱的长，这29个月也足以可以完成公司与你之间的“亲密”接触，互相摸底。而且，最重要的是，STEM国际学生可以有充裕的时间完成申请工作签证，即留学生人见人叹息、又爱又恨的H1B。
究竟这些自称STEM专业的留学生又如何知道自己是STEM专业呢？如果告诉你Telecommunications属于STEM，下面就让你一次性了解这422个STEM专业。
A字头专业
Acoustics
Actuarial Science
Aeronautical/Aerospace Engineering Technology/TechniCIAn
Aeronautics/Aviation/Aerospace Science and Technology,General
AerospaceGround Equipment Technology
AerospacePhysiology and Medicine
Aerospace,Aeronautical and Astronautical/Space Engineering
Agriculturaland Horticultural Plant Breeding
AgriculturalAnimal Breeding
AgriculturalEngineering
AgroEcologyand Sustainable Agriculture
Agronomyand Crop Science
Airand Space Operational Art and Science
Airand Space Operations Technology
AirScience/Airpower Studies
AircraftArmament Systems Technology
Algebraand Number Theory
Analysisand Functional Analysis
AnalyticalChemistry
Anatomy
AnimalBehavior and Ethology
AnimalGenetics
AnimalHealth
AnimalNutrition
AnimalPhysiology
AnimalSciences, General
AnimalSciences, Other
AniMATion, InterACTive Technology, VideoGrAPhics and SpeCIAl Effects
AppliedMathematics, General
AppliedMathematics, Other
AquaticBiology/Limnology
Archeology
Architecturaland Building Sciences/Technology
ArchitecturalDrafting and Architectural CAD/CADD
ArchitecturalEngineering
ArchitecturalEngineering Technology/TechniCIAn
ArtifiCIAlIntelligence
Astronomy
Astronomyand Astrophysics, Other
Astrophysics
AtmosphericChemistry and Climatology
AtmosphericPhysics and Dynamics
AtmosphericSciences and Meteorology, General
AtmosphericSciences and Meteorology, Other
Atomic/MolecularPhysics
AutoMATionEngineer Technology
Automotive Engineering Technology
B字头专业
BehavioralSciences
BioChemicalEngineering
Biochemistry
Biochemistryand Molecular Biology
Biochemistry,Biophysics and Molecular Biology, Other
Bioengineeringand Biomedical Engineering
BioinforMATics
Biologicaland Biomedical Sciences, Other
Biologicaland Physical Sciences
BioLogical/BioSystemsEngineering
BiologyTechniCIAn/Biotechnology Laboratory TechniCIAn
Biology/BiologicalSciences, General
BioMathematics,BioinforMATics, and Computational Biology, Other
BiomedicalSciences, General
BiomedicalTechnology/TechniCIAn
Biometry/Biometrics
Biophysics
BioPsychology
BioStatistics
Biotechnology
Botany/PlantBiology
Botany/PlantBiology, Other
Business Statistics
C字头专业
CAD/CADD Drafting and/or DesignTechnology/TechniCIAn
CardiovascularScience
CellBiology and Anatomy
CellPhysiology
Cell/Cellularand Molecular Biology
Cell/CellularBiology and Anatomical Sciences, Other
Cell/CellularBiology and Histology
CeramicSciences and Engineering
Chemicaland Biomolecular Engineering
ChemicalEngineering
ChemicalEngineering Technology/TechniCIAn
ChemicalEngineering, Other
ChemicalPhysics
ChemicalProcess Technology
ChemicalTechnology/TechniCIAn
Chemistry,General
Chemistry,Other
CivilDrafting and Civil Engineering CAD/CADD
Civil Engineering Technology/TechniCIAn
Civil Engineering, General
Civil Engineering, Other
Clinicaland Industrial Drug Development
ClinicalLaboratory Science/Medical Technology/Technologist
Cognitive Psychology and Psycholinguistics
Cognitive Science
CombatSystems Engineering
Command& Control （C, CI） Systems and Operations
ComparativePsychology
Computationaland Applied Mathematics
Computational Biology
Computational Mathematics
Computational Science
Computerand Information Sciences, General
Computerand Information Sciences, Other
Computerand InforMATion Systems Security/InforMATion Assurance
Computer Engineering Technologies/TechniCIAns, Other
Computer Engineering Technology/TechniCIAn
ComputerEngineering, General
ComputerEngineering, Other
ComputerGraphics
ComputerHardware Engineering
ComputerHardware Technology/TechniCIAn
ComputerProgramming, Other
ComputerProgramming, Specific APplications
ComputerProgramming, Vendor/Product Certification
ComputerProgramming/Programmer, General
ComputerScience
ComputerSoftware and Media APplications, Other
ComputerSoftware Engineering
ComputerSoftware Technology/TechniCIAn
ComputerSupport SpeCIAlist
ComputerSystems Analysis/Analyst
ComputerSystems Networking and Telecommunications
ComputerTechnology/Computer Systems Technology
Computer/InformationTechnology Services Administration and Management, Other
CondensedMatter and MATerials Physics
ConservationBiology
ConstructionEngineering
ConstructionEngineering Technology/TechniCIAn
Cyber/ComputerForensics and Counterterrorism
Cyber/ElectronicOperations and Warfare
Cytotechnology/Cytotechnologist
D字头专业
DairyScience
DATaModeling/Warehousing and DATabase Administration
DATaProcessing and DATa Processing Technology/TechniCIAn
Developmental and Child Psychology
Developmental Biology andEmbryology
Digital Communication and Media/Multimedia
DirectedEnergy Systems
Draftingand Design Technology/TechniCIAn, General
Drafting/DesignEngineering Technologies/TechniCIAns, Other
E字头专业
Ecology
Ecologyand Evolutionary Biology
Ecology,Evolution, SysteMATics and Population Biology, Other
Econometricsand Quantitative Economics
Educational Evaluation and Research
Educational Statistics andResearch Methods
Educational/InstructionalTechnology
Electricaland Electronic Engineering Technologies/TechniCIAns, Other
Electricaland Electronics Engineering
Electrical,Electronic and Communications Engineering Technology/TechniCIAn
Electrical,Electronics and Communications Engineering, Other
Electrical/ElectronicsDrafting and Electrical/Electronics CAD/CADD
Electromechanicaland Instrumentation and Maintenance Technologies/TechniCIAns, Other
ElectromechanicalEngineering
ElectromechanicalTechnology/Electromechanical Engineering Technology
ElementaryParticle Physics
Endocrinology
EnergyManagement and Systems Technology/TechniCIAn
EngineeringAcoustics
EngineeringChemistry
EngineeringDesign
EngineeringMechanics
EngineeringPhysics/Applied Physics
EngineeringScience
EngineeringTechnologies and Engineering-Related Fields, Other
EngineeringTechnology, General
Engineering,General
Engineering,Other
Engineering/IndustrialManagement
Engineering-RelatedFields, Other
Engineering-RelatedTechnologies, Other
Entomology
EnvironmentalBiology
EnvironmentalChemistry
EnvironmentalControl Technologies/TechniCIAns, Other
EnvironmentalEngineering Technology/Environmental Technology
EnvironmentalHealth
EnvironmentalScience
EnvironmentalStudies
EnvironmentalToxicology
Environmental/EnvironmentalHealth Engineering
Epidemiology
EvolutionaryBiology
Exercise Physiology
ExperimentalPsychology
ExplosiveOrdinance/Bomb Disposal
F字头专业
Financial Mathematics
FoodScience
FoodScience and Technology, Other
FoodTechnology and Processing
ForensicChemistry
ForensicScience and Technology
ForestEngineering
ForestSciences and Biology
G字头专业
Genetics,General
Genetics,Other
GenomeSciences/Genomics
Geochemistry
Geochemistryand Petrology
GeogrAPhicInforMATion Science and Cartography
GeoLogicaland EArth Sciences/Geosciences, Other
Geological/GeophysicalEngineering
Geology/EarthScience, General
Geometry/GeometricAnalysis
GeoPhysicsand Seismology
Geotechnicaland Geoenvironmental Engineering
O字头专业
Occupational Safety and HealthTechnology/TechniCIAn
OceanEngineering
OceanogrAPhy,Chemical and Physica
Oncologyand Cancer Biology
OperationalOceanogrAPhy
OperationsResearch
Optics/OpticalSciences
OrganicChemistry
P字头专业
PackAging Science
Paleontology
PAPerScience and Engineering
Parasitology
Pathology/ExperimentalPathology
PersonalityPsychology
PetroleumEngineering
PetroleumTechnology/TechniCIAn
PharmaceuticalSciences
Pharmaceuticsand Drug Design
PharmacoEconomics/PharmaceuticalEconomics
Pharmacology
Pharmacologyand Toxicology
Pharmacologyand Toxicology, Other
Photobiology
PhysicalChemistry
PhysicalScience Technologies/TechniCIAns, Other
PhysicalSciences
PhysicalSciences, Other
Physics,General
Physics,Other
PhysiologicalPsychology/Psychobiology
Physiology,General
Physiology,Pathology, and Related Sciences, Other
PlanetaryAstronomy and Science
PlantGenetics
PlantMolecular Biology
PlantPathology/Phytopathology
PlantPhysiology
PlantProtection and Integrated Pest Management
PlantSciences, General
PlantSciences, Other
Plasmaand High-Temperature Physics
Plasticsand Polymer Engineering Technology/TechniCIAn
PolymerChemistry
Polymer/PlasticsEngineering
PopulationBiology
PoultryScience
Pre-Engineering
Psychometricsand Quantitative Psychology
PsychoPharmacology
Q字头专业
QualityControl and Safety Technologies/TechniCIAns, Other
QualityControl Technology/TechniCIAn
R字头专业
RadarCommunications and Systems Technology
RadiationBiology/Radiobiology
RangeScience and Management
ReproductiveBiology
Researchand Experimental Psychology, Other
RoboticsTechnology/TechniCIAn
S字头专业
ScienceTechnologies/TechniCIAns, General
ScienceTechnologies/TechniCIAns, Other
SemiconductorManufacturing Technology
Signal/GeospatialIntelligence
SocialPsychology
SoilChemistry and Physics
SoilMicrobiology
SoilScience and Agronomy, General
SoilSciences, Other
SolarEnergy Technology/TechniCIAn
SpaceSystems Operations
Statistics,General
Statistics,Other
StrategicIntelligence
StructuralBiology
StructuralEngineering
SurveyingEngineering
SurveyingTechnology/Surveying
SustainabilityStudies
System,Networking, and LAN/WAN Management/Manager
SysteMATicBiology/BioLogical SysteMATics
SystemsEngineering
SystemsScience and Theory
T字头专业
TeleCommunicationsEngineering
TelecommunicationsTechnology/TechniCIAn
TextileSciences and Engineering
Theoreticaland Mathematical Physics
TheoreticalChemistry
Topologyand FounDATions
Toxicology
Transportationand Highway Engineering
U字头专业
UnderseaWarfare
UrbanForestry
V字头专业
VeterinaryAnatomy
VeterinaryInfectious Diseases
VeterinaryMicrobiology and Immunobiology
VeterinaryPathology and Pathobiology
VeterinaryPhysiology
VeterinaryPreventive medicine Epidemiology and Public Health
VeterinaryToxicology and Pharmacology
Virology
VisionScience/PhysioLogical Optics
W字头专业
WaterQuality and Wastewater Treatment Management and Recycling Technology/TechniCIAn
WaterResources Engineering
Water,Wetlands, and Marine Resources Management
Web Page, Digital/Multimedia andInforMATion Resources Design
Web/Multimedia Management and Webmaster
WeldingEngineering Technology/TechniCIAn
WildlifeBiology
Wildlife,Fish and Wildlands Science and Management
WoodScience and Wood Products/Pulp and PAPer Technology
Z字头专业
Zoology/AnimalBiology
Zoology/AnimalBiology, Other
