Abstract:The processing of banana has the characteristics of high quality and inexpensive raw materials. Its products are rich and varied. In this paper， the nutritional value and efficacy of banana were introduced. The re－ search progress of deep processing of banana， such as banana juice， banana yogurt and banana powder were reviewed. The technology of extracting effective components from banana peel were summarized. and the ten－ dency of the development of deep processing of banana was discussed.