University A and B are aimed at "double first-class" universities, which refer to the construction of world-class universities and first-class disciplines. List of world-class universities and disciplines, the first batch of double-class universities * * * 137, including 42 world-class universities, including 36 A-class universities and 6 B-class universities.

The difference between AB University:

According to the introduction of the Ministry of Education, first-class universities are divided into two categories: A and B. It is hoped that by this way, first-class universities will be urged to speed up the reform and development of colleges and universities, and those listed as B will face up to the gap and catch up.

At the same time, Class A universities in the list of double first-class universities belong to well-known universities in China, with novel teaching concepts and first-class teaching level. The list of Class B double-class colleges and universities is for the country to promote the construction of colleges and universities, accelerate the reform and development, and promote the colleges and universities listed as Class A to face up to the gap and catch up.

Building world-class universities and disciplines, referred to as "double-class" for short, is an important strategic decision made by the CPC Central Committee, the people of China and the State Council. It is also another national strategy in the field of higher education in China after the "21KLOC-0/Project" and "985 Project", which is conducive to the upgrading of higher education in China.