Through a multicenter case-control study on the risk factors of premature ejaculation in Shaanxi, to find out the related factors of the occurrence and development of premature ejaculation, to provide reference for personalized treatment, in order to improve the quality of sexual life of patients and partners.

Inclusion Criteria:

• 1) case group

  1. 18-64 years old, regular sexual life > 6 months;
  2. Self-report of premature ejaculation;
  3. Able to complete questionnaires and scale scores independently. 2) control group
  1. 18-64 years old, regular sexual life > 6 months;
  2. Both partners are satisfied with their sexual life;
  3. Able to complete questionnaires and scale scores independently.

Exclusion Criteria:

• 1) case group

  1. Those who are unable to have sex due to genital malformation;
  2. Patients with serious cardiovascular and cerebrovascular diseases;
  3. Severe mental disorders (history of epilepsy, mania, etc.);
  4. Have a history of brain trauma;
  5. People with a long history of substance abuse. 2) control group
  1. Patients with a history of mental illness;
  2. Oral selective serotonin (5-ht) reuptake inhibitors, tricyclic antidepressants, triazolidine antidepressants, tramadol and sedatives

Patients with premature ejaculation in the outpatient department of the hospital were the case group, while patients without premature ejaculation in the outpatient department were the control group