The plentiful experiences of museum enable the patterns,value and concept of museum change constantly.The relation between museums and their own visitors is continuously improved.For more and more museums it is understood that the visitors are either the customers to serve or the social foundation,the museums depend on.The visitors are the indispensable basic factors for the museum.The studies on the visitors have been the important tasks in the practice of modern museums.In this paper,the psychology and perception psychology of museum visitors are discussed and how;the visitors make a notable impact on the improvement of museum functions is studied.