精神病，是在各种生理、心理以及社会环境因素的影响下，大脑机能活动发生紊乱而出现的精神活动的失常。具体表现为认识，情感意志和行为等精神活动不同程度的障碍。患有精神病的人，常常胡言乱语，兴奋躁动、打人毁物、沉默少语、敏感多疑、幻觉幻听、哭笑无常。此病的治疗有 Mental illness is a disorder of mental activity occurring under the influence of a variety of physiological, psychological and social environmental factors in the disturbance of brain functional activity. Specific performance as awareness, emotional volition and behavior and other mental activities of different levels of obstacles. People suffering from mental illness, often nonsense, excited restlessness, hit people destroyed, silent, sensitive suspicious, hallucinations auditory hallucinations, dumbfounding. The treatment of the disease there