Keep dry and clean in the ear; prohibit swimming and water stains. To strengthen health education, disabled matchstick, card issuers and other sharp macrocephalum. Take the canal foreign body or cerumen should be careful and appropriate, to avoid hurting the tympanic membrane. In case of blasting, such as blast mountain, gun, and firecracker, cotton or finger plugs can be used, such as wearing protective ear plug better. Do not do strenuous exercise and heavy manual labor; pay attention to prevention of cold, keep the nasal breathing unobstructed; not to chew hard food.