The etiology of OCD is complex and inconclusive. It is thought that it is mainly related to psychosocial, personality, genetic and neuro-endocrine factors. Therefore, for the treatment of OCD, the use of medication is also essential, the treatment of OCD is not like other diseases, it is a long-term process, so in the drug treatment must follow the following principles: 1, a long time principle: a full dose of anti-compulsive drug therapy for at least 3 months, some patients need a longer period of time, in order to be considered a course of treatment to end, in order to assess the efficacy, can not eat a 2 – 3 months to assess the efficacy of the drug. 3 months to assess the efficacy of the decision to change the drug. 2, the principle of adequate dose: anti-OCD drug treatment, the dose is generally larger, sometimes the highest dose stated in the instructions, this is because the efficacy of low dose is very bad, to apply a larger dose, of course, each patient’s situation is different, the specific dose of medication to specific analysis, but in general, anti-OCD treatment drug dose is on the large side. 3, maintenance time to be long: the largest dose of anti-OCD drugs to achieve better results, this dose is generally recommended to maintain about 6 months, and then consider reducing the dose to maintain 2-3 years. 4, with the symptoms, let nature take its course: the complete disappearance of obsessive-compulsive symptoms is more difficult, patients and family members to accept the compulsive symptoms, with the symptoms to live and learn, let nature take its course is the core of the treatment of obsessive-compulsive psychotherapy: Morita treatment, the details of which you can buy books on Morita treatment read closely and adhere to do. Before using medication, OCD patients must watch the instructions in detail and have an understanding of some of the characteristics and hazards of the medication. Psychotropic drugs generally have a lot of negative effects, so you must follow your doctor’s instructions for choosing and taking them.