A yellow pimple on the buttocks may be related to sedentary, skin boils, folliculitis and other factors, which can be improved by adjusting lifestyle, as well as giving medication as prescribed by the doctor. 1. Lifestyle adjustment: due to sedentary buttocks sweat will become more, buttocks hair follicle pressure, sweat can not be effectively discharged, resulting in buttocks grow a yellow pimple, through appropriate exercise, try to avoid sedentary, and wear cotton breathable clothes. 2.Medication (1) skin boils: mostly caused by staphylococcus aureus infection of the buttocks hair follicles and follicles around the acute suppurative inflammatory skin disease, resulting in a yellow pimple on the buttocks, if there is no pus can be applied locally 20% ichthyosporin ointment, 3% iodine tincture, mupirocin ointment and other medications, if the pus is based on the recommendations of the doctor to choose surgical treatment. (2) folliculitis: mostly by staphylococcus aureus, staphylococcus epidermidis and other purulent bacteria, infection of the buttocks follicles sebaceous glands, resulting in buttocks grew a yellow pimple, can be applied locally mupirocin ointment, compound polymyxin B ointment, ketoconazole and other drugs treatment. A yellow pimple on the buttocks in the adjustment of lifestyle ineffective, timely consultation, if you need to use the above drugs to be used under the guidance of the doctor, do not self-medication, so as not to cause adverse effects.