According to the stigma of mental and psychological diseases, those patients are preferred to be treated in general hospitals or integrated traditional Chinese and western medicine hospitals. Patients not only with mental and psychological diseases, but also with internal diseases mostly chose to be treated in department of neurology at first. At present, there are fewer neurologic doctors have the experiences in diagnosis and treatment of mental and psychological diseases in general hospitals. At the same time, the diagnosis and treatment of the patients with internal diseases and mental disorders are more complicated. Doctors in mental health centers or department of psychiatry in general hospitals have limited ability to diagnose and treat patients with internal diseases and mental disorders. This paper reviews the current situation of diagnosis and treatment of mental and psychological diseases in general hospitals or integrated traditional Chinese and western medicine hospitals in China, and propose how to improve it.