The Study on the Effectiveness and Safety of Electroacupuncture at ST36 in Treating Primary Premature Ejaculation

Inclusion Criteria: 1. Age 18 to 60 2. Heterosexual, with a single, stable partner for more than 6 months 3. Symptoms of primary premature ejaculation: Complaints of IELT ≤ 1 min since the first sexual intercourse, and poor ability to control ejaculation leading to anxiety, annoyance, depression or/and avoidance of sexual life and other negative effects. Exclusion Criteria: 1. Urinary system infection: Urinary tract infection symptoms (such as urinary tract irritation symptoms, prostatitis symptoms, blood semen, etc.) or urine routine shows abnormal white blood cells and red blood cells 2. Abnormal androgen: sex hormone examination shows abnormal androgen (testosterone) 3. Systemic diseases: ask about medical history of hypertension, diabetes, alcohol dependence, coronary heart disease and mental disorders 4. Organic abnormalities: Abnormal development of external genitalia, bilateral testes, epididymis and spermatic cords with obvious abnormalities on palpation 5. History of surgery and trauma: Dorsal nerve block of the penis, erectile function-related surgery, prostate surgery, pelvic surgery, etc. 6. Influence of drugs: within one month before enrollment, have taken SSRI, tramadol and other drugs to treat diseases 7. Allergy to dapoxetine and lidocaine 8. History of drug, alcohol or substance abuse in the past 6 months 9. Accompanied by erectile dysfunction: International Index of Erectile Function-5 (International Index of Erectile Function, IIEF-5) score ≤ 21 points