Red spots on the buttocks, common causes are folliculitis, eczema, papular urticaria, etc. Different diseases have different treatments, should be given antibiotic drugs, glucocorticoid drugs, antihistamines, etc. by the doctor to clarify the cause of the disease. 1. Folliculitis: related to bacterial infection, the clinical manifestation is a red papule centered on the hair follicle. Antibiotics such as mupirocin ointment can be used under doctor’s supervision. If the condition is serious, drugs such as cefuroxime can also be taken orally. 2. Eczema: Red spots on the buttocks caused by eczema can be accompanied by itching. The use of glucocorticoid drugs, such as dianabed cream, mometasone furoate ointment and other medications can be prescribed by the doctor. When itching is significant, oral cetirizine and other antihistamines can be improved. 3. Papular urticaria: caused by mosquito bites, often accompanied by significant itching. Can follow the doctor’s instructions for local topical use of dinaid cream, hydrocortisone butyrate cream and other drugs. Red spots on the buttocks, should go to the dermatology department, and actively cooperate with the doctor’s treatment.