Black marks on the buttocks, mostly due to the formation of melanin deposits, for this situation can be removed using drugs or laser removal. 1. Drugs to remove: black marks on the buttocks, generally with the patient local long-term pressure or excessive friction has a greater relationship, if long-term sedentary often lead to the formation of black marks, in this case you can choose to use medication to carry out the treatment, such as topical hydroquinone cream, at the same time pay attention to personal hygiene habits. 2. Laser removal: through the laser can remove the black marks on the skin, it is recommended to choose the local regular hospitals, after the operation, pay attention to good skin care, pay attention to the choice of loose cotton clothes, keep the local clean. The buttocks have black marks, although it will not affect their physical health, but it will affect the beauty of the skin, it is recommended to usually avoid prolonged sedentary, to avoid skin irritation, such as when the symptoms of physical discomfort, you should go to the hospital in a timely manner, consult the physician’s guidance. Medications need to be used as prescribed by the doctor.