Dry skin on the outside of the ear is mainly due to allergic diseases of the ear, the most common being ear eczema. It is more common in children, especially those who are breastfeeding, when milk enters the ear during feeding, or when children regurgitate milk and milk enters the ear directly, including inflammatory flaking of the auricle. Generally, no special tearing is needed, only external ointment, mainly hormonal ointment, such as Eudragit ointment, can be used. There are other special cases, such as psoriasis, that are completely different from the flaking caused by simple allergies, where the skin color may change and is often accompanied by other changes in skin color. So the situation is completely different, and psoriasis is mainly treated for psoriasis to deal with the treatment.