The present application belongs to the technical field of communications. Disclosed in the present application are a method and apparatus for guaranteeing the validation of an AI model in wireless communications, and a terminal and a medium. The method is executed by a terminal. The method comprises: when a model failure condition is met, executing a validation management process regarding a first AI model. The method is executed by a terminal. The method comprises: when a model failure condition is met, executing a validation management process regarding a first AI model.