Patients feel the symptoms of itchy buttocks may be contact dermatitis, eczema, bacterial infections, fungal infections and other causes, need to be treated according to the specific cause of the symptomatic treatment, usually including general treatment, drug treatment and other methods. 1. Contact dermatitis: an allergic reaction caused by contact with certain easily sensitized or irritated items, at this time, we need to identify the cause and avoid, at the same time, oral antihistamines such as loratadine, etc., and topical glycerine lotion, zinc oxide ointment, etc.. 2. Eczema: local oozing, blisters, papules, etc. is considered to be the manifestation of eczema, you can first use boric acid solution wet compresses, to be reduced to the exudate and then external glucocorticosteroid medication coated with such as hydrocortisone cream. At the same time can be combined with the use of antihistamines such as cetirizine. 3. Bacterial infection: If anal itching is caused by bacterial infection, potassium permanganate tablets can be prepared as 1:5000 disinfectant solution for sitz bath, can be very good disinfection and sterilization, to relieve the itching sensation of the anus. 4. Fungal infection: due to dermatophyte infection of the perianal skin, at this time you can use antifungal drugs such as ketoconazole, miconazole, etc., and if necessary, oral itraconazole, terbinafine and other drugs. Patients usually need to eat some light and easy to digest food, keep the buttocks skin clean, light diet. When uncomfortable symptoms need timely medical attention, it is recommended to use medication under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.