If a woman has a small amount of bleeding after intercourse, in the absence of obvious discomfort, it is considered that intercourse is too long or more intense, or the first time the hymen ruptures, for this condition generally do not need special treatment, rest for a few days can be relieved. If a man has symptoms of bleeding, he may have had sex too often, causing damage to the genital tract, and can reduce the frequency of sex in the short term. In addition, consider the possibility of disease: a. Female diseases: 1. Cervical disease: common in cervicitis, is an inflammatory reaction that occurs in the cervical mucosa, often caused by pathogenic infections. It may cause bleeding after frequent intercourse and may also be accompanied by abnormal vaginal discharge, such as the appearance of purulent discharge. Antibiotic treatment, such as azithromycin and doxycycline, is usually taken. In addition, cervical polyps and cervical cancer can also cause such phenomenon, but pathological tests are needed to determine the benign and malignant nature before treatment. 2. Uterine diseases: Commonly seen in endometritis, an inflammatory disease occurring in the endometrium, often caused by pathogenic infection. Clinical manifestations are mainly irregular vaginal bleeding, which may bleed after intercourse, and may be accompanied by lower abdominal pain. Anti-infective treatment with penicillin, cefaclor, azithromycin and other drugs can be taken. Besides, endometrial polyps can also cause a small amount of bleeding after intercourse, but larger polyps need to be removed surgically, such as hysteroscopic excision. Second, male diseases: common in vesiculitis, an inflammatory disease that occurs in the seminal vesicles, mainly secondary to prostatitis infection. In addition to bleeding during sexual intercourse, symptoms such as painful ejaculation, frequent urination and urgent urination can also occur. You can go to the hospital for ultrasound and blood tests to confirm the diagnosis. The acute stage is often treated with antibiotics, such as azithromycin and doxycycline. Due to the structural characteristics of this location, it is usually difficult to eradicate, and if it turns into a persistent scrotum infection, it can be treated by scrotoscopic surgery.