Abstract: In the modem world,knowledge communication is more and more important. However,university is a communication core,and teaching and education are its main methods of knowledge communication.In this paper,the theories and approaches of Information Science,Communication and Buddhism are used to study how to control the teaching quality.It is presented that the effective communication of knowledge is the key to control the teaching quality in universities.Different ways should be taken creatively and flexibly to communicate knowledge effectively,so as to improve the teaching quality.