The common causes of this situation are as follows: 1, local skin allergies caused by the ear, it is recommended that the use of anti-allergic ointment coating, if serious, can also be combined with oral anti-allergy drugs, local avoid stimulation, so as not to cause the emergence of infections; 2, the local itching, and there is a shedding of epithelium, and accompanied by a yellowish secretion, considered to be the external auditory canal eczema caused by the use of medications Mainly local medication, such as clinically commonly used euthyroid or hydrocortisone local application, if infection occurs, can be used jointly with anti-inflammatory ointment application, such as Bactroban. 3, infection, acute infection of the auricle can also appear in these manifestations, the application of antibiotics in sufficient quantities of anti-infective treatment.