I. Diagnostic points (a) History of sexual contact or spousal infection (a) Prevalent in the genitalia and perineum. The rare sites are perianal, inguinal, femoral and buttock areas and scrotum. (b) Clinical manifestations are divided into primary, recurrent and subclinical types. 1. primary genital herpes Clusters or scattered small blisters, which break down after 2-4 days to form vesicles or ulcers, and then crusting and self-healing. Self-perceived pain. Often accompanied by inguinal lymph node swelling and pain, fever, headache, fatigue and other systemic symptoms. The duration of the disease is 2~3 weeks. 2. Recurrent genital herpes Recurrence of primary genital herpes 1~4 months after remission, with local burning sensation, pins and needles or abnormal sensation before the rash, lesions appearing at the original site, similar to the original lesions, with a short course of 7~10 days. 3. Subclinical genital herpes 50% of HSV-1 infected patients and 70% to 80% of HSV-2 infected patients lack typical clinical manifestations. The atypical lesions are tiny fissures and ulcers in the genital area. (1) Primary type: Acyclovir tablets 200mg/d, 5 times/d or 400mg/d, 3 times/d; Valacyclovir tablets 1000 mg/d, 2 times/d; Famciclovir tablets 250mg/d, 3 times/d. The course of treatment is 7~10 days. (2) Relapsing type: Start treatment within 24 hours of the appearance of prodromal symptoms or skin lesions. Acyclovir tablets 200 mg/d, 5 times/d, or 400 mg/d, 3 times/d; valacyclovir tablets 500 mg/d, 1~2 times/d; famciclovir tablets 125 mg/d, 2 times/d. The course of treatment is 5 days. (3) Frequent relapses (more than 6 relapses in 1 year): daily suppressive therapy, i.e. acyclovir tablets 400 mg/d, 3 times/d; valacyclovir tablets 500 mg/d, 1 time/d; famciclovir tablets 250 mg/d, 2 times/d. 6~12 months of continuous oral administration is required.