Personalized recommendation system has a good development and application prospect. At present, almost all large-scale e-commerce systems, such as Amazon and Yi Bei, use recommendation systems to varying degrees. At the same time, well-known shopping websites, such as Mai Baobao, Vanke Eslite, Red Kids, etc., have taken the lead in choosing the most advanced percentage recommendation engine system in China to build a personalized recommendation service system to recommend products to customers. Applying this technology to the film selection platform can form a personalized film recommendation system, which can not only enable users to complete the personalized film selection process and meet personalized needs, but also promote the development of film economy, and is an important application field.