As a major place for informal science education, carrying out science education activities is an important means to realize the educational function of science and technology museums. In this paper the general situation and connotation of educational activities are analyzed in this article, focusing on the necessity and significance of science education activities in science and technology museums, the current situation and problems of educational activities of science and technology museums in China, and the basic characteristics of educational activities of science and technology museums. From the aspects of subject, acceptor, educational concept, service and operation of science and technology museums, this paper gives some thoughts and suggestions on how to create education activities with characteristics of science and technology museums, for promoting the educational function of the science and technology museums, and making the science and technology museums a place of lifelong education accepted by the public.