The buttocks will be very itchy usually considered for perianal eczema, hemorrhoids, fungal infections and other causes, can be treated with medication and personal care and other methods to treat. 1. Perianal eczema: you can choose to follow the doctor’s instructions to promote the recovery of topical ointment, such as tacrolimus ointment, pimecrolimus cream, skin Kang lotion, etc., to inhibit the proliferation of eczema, daily routine should keep the local skin clean and hygienic, wear a clean and comfortable underpants, change the underpants frequently. 2. Hemorrhoids: follow the doctor’s instructions to use potassium permanganate solution sitz bath, reduce local discomfort; daily need to develop good defecation habits, avoid defecation excessive force, too long. 3. Fungal infection: you can follow the doctor’s instructions to choose the topical antifungal drugs, such as ketoconazole, miconazole, etc., daily avoid scratching, pay attention to local cleaning. There may also be other reasons for itchy buttocks, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, give targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.