The major code is a number used to indicate the major of a university. National unity. The professional code usually consists of 6 digits, the first two digits represent the professional category, the middle two digits represent the professional discipline, and the last two digits represent the professional identification symbol.
Professional code stipulates the division, name and category of majors, which is an important basis for setting and adjusting majors, implementing talent training, arranging enrollment, awarding degrees, guiding employment, conducting educational statistics and predicting talent demand. Since the reform and opening up, China has made four large-scale adjustments to the subject catalogue and specialty setting.