Medicine can be divided into modern medicine (commonly known as western medicine) and traditional medicine (including Chinese medicine, Tibetan medicine, Mongolian medicine, etc. Different regions and nationalities have corresponding medical systems and different aims and purposes. India's traditional medical system is also considered to be very developed.

The general direction of the research field includes

1 basic medicine

2 Clinical medicine

3 laboratory medicine

4 preventive medicine

5 health care medicine

6 rehabilitation medicine, etc.

Basic medicine includes: medical biomathematics, medical biochemistry, medical biophysics, human anatomy, medical cell biology, human physiology, human histology, human embryology, medical genetics, human immunology, medical parasitology, medical microbiology, medical virology, human pathology, pathophysiology, pharmacology, medical experimental animal science, medical psychology, biomedical engineering, medical informatics, first aid and nursing.

Clinical medicine includes: clinical diagnostics, experimental diagnostics, imaging diagnostics+radiology diagnostics+ultrasound diagnostics+nuclear medicine diagnostics * clinical therapeutics, functional therapeutics, chemotherapy biotherapy, blood therapeutics, tissue therapeutics and organ therapeutics, physiotherapy, language therapeutics, psychotherapeutics, internal medicine, urology, obstetrics and gynecology, pediatrics, geriatric ophthalmology, stomatology, infectious diseases, dermatology, neurology, psychiatry, oncology, emergency medicine, anesthesiology, nursing, family medicine, hospice care, rehabilitation, health care,