2.2 1 1 generally refers to the 2 1 1 project, which is a construction project for 2 1 century, focusing on the construction of about 100 colleges and universities and a number of key disciplines. Started at 1995. 2 1 1 Project is the largest and highest-level key construction project in the field of higher education initiated by the state since the founding of New China. This is an important measure taken by the China government to implement the strategy of "rejuvenating the country through science and education", and it is also an important decision made by the Chinese nation to develop higher education in the face of the domestic and international situation at the turn of the century.