Inclusion Criteria:  People who according the DSM-5 diagnosis of schizophrenia spectrum and have been sick for more than two years. Age between 20 and 65 years old. There are currently rules for receiving antipsychotics treatment. Regardless of whether you take antidepressants or not. Can communicate clearly in Mandarin and Taiwanese. Those with a score of 10-25 on the Montreal Cognitive Assessment Scale (MoCA). Those who are willing to participate in this study and complete the subject consent form.  Exclusion Criteria:  According to DSM-5 criteria, suspected bipolar disorder, anxiety disorder, obsessive- compulsive disorder, cognitive impairment, substance use disorders, and other unthinking disorders are exclusion. Have been in or out of the acute ward within three months and currently have suicidal attempts or violence. Those who are receiving individual or group cognitive behavior therapy. People with intellectual disabilities. Those who are unable to conduct research due to visual or hearing impairment. People who are accepting other clinical trials. Those who have no intention to participate in this study or are unable to complete the subject's consent form.