Allergic circumcision is a kind of dermatitis caused by the foreskin or other parts of the foreskin coming into contact with allergens, which can lead to redness, swelling, pimples, itching and other uncomfortable symptoms. Allergic circumcision is a disease caused by foreskin allergy, such as uncomfortable underwear material or bedding for a long time without washing may lead to local skin allergies, triggering allergic circumcision. Patients may have symptoms such as itching, redness, swelling and pimples on the foreskin, or even abscesses and stinging pain. When such symptoms appear, they should consult a doctor for examination and apply drugs such as loratadine and dexamethasone ointment under the guidance of a doctor for treatment. Symptoms such as nausea and dizziness may occur after the medication is applied. Especially infants and young children should be applied with caution. If allergic circumcision occurs, medical consultation should be sought promptly. For adult men, sexual intercourse should be avoided during the treatment period so as not to aggravate the condition.