In clinical practice, the patient is able to get rid of the dirt that appears inside the navel, but the correct procedure must be mastered. First, the patient’s navel should be wetted with saline so that the dirt can be infiltrated. Second, then use a cotton swab to gently get the dirt out. Finally, after each time, the patient’s navel must be disinfected with iodophor disinfectant, so as to benefit the health of the patient’s navel. If the patient’s belly button infection, patients should not handle on their own, must be under the guidance of a professional doctor for treatment, such as the use of antibiotics for anti-infective treatment, such as common broad-spectrum antibiotics. It is important to strengthen the treatment of the navel change so that it is beneficial to the patient’s recovery.