Bumps on the buttocks may be caused by folliculitis, boils, eczema, lipoma and other diseases. It needs to be treated according to the specific cause of the disease, usually including medication, physical therapy, surgical treatment and other methods. 1. Folliculitis: Inflammatory reaction due to damaged hair follicles infected with bacteria or fungi, topical antibiotics such as fusidic acid cream, mupirocin ointment or antifungal ointment such as ketoconazole, miconazole ointment and so on. If necessary, with oral amoxicillin, cefadroxil or itraconazole, terbinafine and so on. 2. Boils: If the folliculitis is not controlled, it often develops into boils, which can be drained by surgical incision and treated with anti-infective therapy after surgery. If the inflammation does not go away repeatedly, physical therapy such as ultraviolet ray and infrared ray can be used to promote healing. 3. Eczema: due to the stimulation of internal and external factors leading to the occurrence of eczema, glucocorticoid drugs can be given, such as halometasone cream, mometasone furoate cream, if necessary, with oral antihistamine drugs such as loratadine. 4. Lipoma: due to the accumulation of mature fat cells in the buttocks formed by a subcutaneous benign tumors, will also be manifested as buttocks long pimples, generally asymptomatic, without treatment, but if the volume is too large or other discomforts, can be surgical excision treatment. But if the size or other discomfort, can be surgically removed. Buttocks long bumps and a variety of factors, it is recommended that a clear diagnosis, active treatment of drugs need to comply with the doctor’s instructions.