Abstract
In Commemoration of the 25th Anniversary of Japanese Association of Behavior Therapy (JABT), the birth and development of the study on behavior therapy in Japan were introduced with a number of academic results achieved by us, members of JABT and other behavior therapists in Japan. The bottlenecks against the progress of behavior therapy and the popularity of cognitive behavior therapy among JABT members are also eagerly examined from varieties of viewpoits, as both of them seem to of keen attracting topics among us members. Implications for further consideration of the present and future status, as well as the progress of behavior therapy in Japan are discussed.