With the development of social science and technology, multimedia teaching has been widely used in college teaching, has become the indispensable means of teaching in colleges and universities. The computer in this teaching method has a vital role. Physical chemistry course is more difficult, boring, if use the traditional teaching methods to lectures, the effect is not very ideal. But multimedia teaching is a very good solution to the problem. It through a flexible display, dynamic image will be some interesting concept of abstract and boring formula became more interesting, and can achieve the teaching effect of the traditional teaching difficult to achieve. This article mainly analyzes the advantages and disadvantages of multimedia teaching, giving a set of corresponding improvement measures, to find a suitable physical chemistry classroom teaching method. With the development of social science and technology, multimedia teaching has been widely used in college teaching, has become the indispensable means of teaching in colleges and universities. The computer in this teaching method has a vital role. Physical chemistry course is more difficult, boring, if use the traditional teaching methods to lectures, the effect is not very ideal. But multimedia teaching is a very good solution to the problem. It through a flexible display, dynamic image will be some interesting concept of abstract and boring formula became more interesting, and can achieve the teaching effect of the traditional teaching difficult to achieve. This article mainly analyzes the advantages and disadvantages of multimedia teaching, giving a set of corresponding improvement measures, to find a suitable physical chemistry classroom teaching method.