Deep brain stimulation has drawn more and more concerns as a method to treat neuropsychological diseases.Compared with surgery and other methods using electrical stimulation,deep brain stimulation has advantages of clear targets,high selectivity,reversibility,titratability and non-ablation.A large body of clinical trials has shown that deep brain stimulation targeting various brain structures is able to alleviate the symptoms of Parkinson's disease,epilepsy,chronic pain and depression that are intractable with medicines and other methods,with few complications or side effects.Deep brain stimulation is now emerging as a promising approach for the treatment of resistant neuropsychological diseases.