If the bumps on the buttocks grow around the anus, have itching symptoms, pain when defecating, and symptoms worsen after eating spicy food, consider hemorrhoids, fumigate with 1:5000 potassium permanganate solution, then rub Ma Yinglong hemorrhoid cream, usually eat more vegetables, drink more water, and keep the bowels open to relieve symptoms; if the bumps grow on the buttocks, red, swollen, and painful consider boils, which are caused by bacterial infection, use ichthyolite ointment If the bumps are on the buttocks and are red, swollen and painful, they are considered to be boils. If the bumps on the buttocks are under the skin and cannot be seen but only touched, without pain or itching or other discomfort, consider lipomas, which are caused by the accumulation of subcutaneous fat, mostly seen in obese people, and can be removed without concern, if you want to remove them, you can go to the hospital for surgery.