After a red bottom breaks the skin, disinfect and apply mild astringent ointment to keep the area dry and breathable. If the red bottom is not relieved for a long time or infected, it is necessary to consult a doctor promptly. Red buttocks with broken skin is mostly caused by local dampness and airlessness, which irritates the skin, and is mostly seen in infants and young children who often use diapers or bed-ridden patients. After the skin is broken, it needs to be scrubbed and disinfected with povidone-iodine in a timely manner. Topical zinc oxide ointment and other mild astringent anti-itching drugs can be used externally. The broken skin has oozing blood or redness and swelling can be applied with antibiotic ointment such as mupirocin ointment and erythromycin ointment externally to prevent bacterial infection. Patients with red buttocks usually need to pay attention to keep the local dry and breathable, diapers should be changed often, need to keep dry, if the red buttocks for a long time does not relieve or the emergence of infection, need to consult a doctor in time to deal with. The above medications should be used under the guidance of a doctor.