If the patient has weakness and insomnia, has long-term stomach discomfort, eating disorder, picky eating or chronic diarrhea, or anemia that causes weakness and insomnia, he/she should register with gastroenterology for gastrointestinal examination. 2. If the patient has weakness, insomnia with laziness or weight loss, no interest in anything, and depression, he/she should be referred to the neurology department for cranial magnetic resonance and anxiety and depression scale to understand whether the patient has depression. Therefore, it is necessary to choose the department for weakness and insomnia according to the cause.