Inflammation of the foreskin, also known as glans circumcision, is mainly an inflammatory reaction caused by localized external stimulation, bacterial and fungal infections, and other factors, but also allergic inflammation caused by allergic factors. There are many reasons for glans phimosis, such as stimulation of foreskin scale, bacterial infection, fungal infection, excessive masturbation, improper posture of sexual intercourse, as well as external stimulation of the chemical environment, allergic reaction to certain foods, medicines, clothing, and so on, all of which can cause inflammation of the foreskin. It can cause redness, swelling, pain and itching of the glans as well as the foreskin, and in some cases, it can also cause rashes, oozing fluid, skin erosion, ulcers and other symptoms. Signs of infection should be promptly go to the hospital for examination, according to the infection of the causative organisms to choose sensitive antibiotic treatment, for example, bacterial infections can choose erythromycin ointment, mupirocin ointment; fungal infections can use clotrimazole ointment, allergic causes can choose tretinoin ointment and so on. It is recommended to go to the hospital for examination to clarify the cause of the disease, the drug needs to be used under the guidance of a professional doctor, do not self-medication.