Mental rehabilitation is an important part of rehabilitation, which is directly related to the quality of life of people with intellectual disabilities. However, the research and practice in this field is still relatively weak, and the mental rehabilitation needs of people with intellectual disabilities have not been fully met. There are still some problems in this field, such as the lag of professional diagnostic criteria andeffect evaluation tools, the lack of applicability and effectiveness of intervention methods, the low attention to psychological rehabilitation for people with severe mental disorders, the lack of knowledge popularization and specialized training, and the ethics of research and practice. Some personal ideas and ideas were put forward inthe hope of contributing to the development of the industry and eventually the mental rehabilitation of people with intellectual disabilities.