The development of Science Museums has a close relationship with the IMAX film system. Museums can use IMAX film system to provide visitors with the science education, recreation, social activities and other functions. In Taiwan, NMNS, NSTM, TCRC, TAM all have set up different types of IMAX film systems. Although the IMAX theatre plays an important role in the museum management, the museum has to invest a lot of money, manpower and other resources to keep it can operate properly and to maximize its functions. Under the trend of consumer-oriented, this study focuses on the operations of NSTM¡¦s IMAX® 3D Theater, to investigate its visitors' motivations and satisfactions. The main purpose of this study includes: 1. To understand IMAX® 3D Theater visitors¡¦ motivation and satisfactions. 2. To exam the differences among various backgrounds of IMAX® 3D Theater¡¦ motivations and satisfactions. 3. To explore the dependence between IMAX® 3D Theater visitors¡¦ motivations and satisfactions. 4. To provide operational suggestions to the museum. This study was conducted with Survey Research Method by using questionnaire to collect data. There are toyal 449 valid questionnaires. The results show that: the visitors¡¦ backgrounds, affect their motivations and satisfactions; motivations and satisfactions have positive correlation. IMAX Theater visitors¡¦ motivations emphasis on entertainment, but they do not get great satisfaction from the theater.Many visitors are willing to revisit the theater, however, they are not satisfied with the present experiences. Based on the survey, the study has raised several suggestions toward the operations of the theater, including the selection of films, pricing strategies, marketing strategies.