Circumcision usually refers to circumcision, there are many reasons for postoperative swelling of the coronary groove, such as due to poor blood circulation in the local tissues, which is usually normal and does not require special treatment; such as caused by infection can be relieved by the use of medication (e.g., levofloxacin tablets, etc.), and need to analyze the situation according to the specific circumstances. 1. Poor circulation of local tissues: After circumcision, it will cause poor circulation of blood and lymph in local penile tissues, which may lead to swelling of the coronary groove, which is a normal situation. There is no need for special treatment, and it usually recovers on its own in 3 to 4 weeks after the operation. 2. Infection: After circumcision, infection may cause swelling of the coronary groove. The affected area should be kept dry for two weeks after the operation, oral antibiotics can be taken as prescribed by the doctor, the use of benzalkonium chloride and other disinfectant disinfection, can effectively reduce the possibility of infection. Patients should try to choose loose and breathable underwear to avoid infection caused by sweating. If the postoperative swelling of the coronary groove is serious, it is recommended to go to the hospital in time, with the help of the doctor, for xing treatment, avoid self-medication.