Stanford Neuromodulation Therapy (SNT) for Non-suicidal Self-injury (NSSI)

Inclusion Criteria: * the patients were diagnosed by 2 or more senior clinical psychiatrists, meeting DSM-V criteria, and having 1 or more non-suicidal self-injurious behaviors in the last 6 months * 12-18 years of age * The medicine has not changed in the 4 weeks prior to or after this study, and if it has to be changed, the treatment medication is required to be at a subtherapeutic dosage level Exclusion Criteria: * the patients has suicidal ideation, or have committed suicidal behavior * T1 or T2 weighted phase magnetic resonance images show focal brain lesions * patients had neurological disorders such as epilepsy, or serious physical illnesses * patients had history of substance abuse and drug dependence in the last 6 months or use of anticonvulsant drugs in the last 3 months * patiens had received radial cranial electrical stimulation or magnetic stimulation treatment in the last 3 months, or received electroconvulsive therapy in the last 6 months * patients had previous significant head trauma or with EEG abnormality in the last 1 month * body-mounted devices unsuitable for treatment, such as pacemakers, artificial valves and other metal implants.