Small bumps of pus on the belly button may be caused by a bacterial infection secondary to a break in the skin. Drug treatment is needed, and the appropriate treatment can be chosen according to the severity of the symptoms. 1. Mild symptoms: mild symptoms refers to patients with a small amount of pus condensation in the umbilicus, no other systemic symptoms, can be local use of Aner iodine disinfection, the application of Yunnan Baiyao powder, while oral antibiotics, such as amoxicillin, cephalexin and so on. 2. Moderate symptoms: moderate symptoms means that the patient’s skin around the navel is red and swollen, oozing pus with a foul odor, in addition to the above methods, but also need to use antibiotics to control the infection by intravenous drip, such as penicillin sodium injection, ceftriaxone sodium injection. 3. Severe symptoms: severe symptoms refers to the patient’s navel oozing pus, navel center bleeding and accompanied by rotting odor, and even the formation of local abscesses, in addition to the above drug treatment, but also need to scrape the rotting tissue, if there are granulomas, need to use silver nitrate rod for cauterization, and then rinsed with saline, coated with Aner iodine disinfection. All of the above drugs have adverse reactions and are recommended to be used under medical supervision. Pus on the belly button long pimple, it is recommended to go to the hospital as soon as possible, under the guidance of the doctor standardized treatment, during the treatment period to avoid touching the navel part of the water, to keep the wound dry and clean, will help the recovery of the disease.