Taking Jiangxi Science and Technology Museum as an example, this paper analyzes 6 factors namely personal characteristic etc. which influence the public's desire to visit the Science and Technology Museum based on the Logistic Model. The results indicates that the public who visit the Scienceand Technology Museum has strong purpose, and the public’s age, standard of culture, Exhibits layout, Environmental amenity, convenience of visit ,complaint handling procedure and hall reputation have a profound influence on the public's desire to exit the Science and Technology Museum in the free admission. And some corresponding countermeasures are proposed from the following aspects: developing personality service, creating a good venue environment and promoting venues image.