Three batches of undergraduate courses (referred to as "three books" for short) refer to the third batch of undergraduate admission batches and admission order of higher education in Chinese mainland. The enrollment of the three colleges and universities adopts the way of participating in the national unified college entrance examination. One, two and three books belong to the education series of "ordinary colleges and universities", with a schooling period of four years. Graduation certificate and degree certificate are both academic certificates of "ordinary universities", and the third batch of undergraduate courses are independent colleges and private colleges, all of which are charged according to the running cost, generally about 1 10,000 yuan per year. The graduation certificate issued is signed by the full name of the independent college.