There are many reasons for nose peeling and redness, and the most common ones in clinical practice are the following: first, seborrheic dermatitis, also known as seborrheic eczema, is a common chronic, recurrent inflammatory disease that occurs on the head and face, especially on both sides of the nose. The main manifestation of seborrheic dermatitis will appear on the basis of erythema, can have scales or scabs, serious patients can appear oozing, vesicles, can have varying degrees of itching, generally can be relieved by the application of topical ketoconazole lotion. Second, allergic dermatitis, allergic dermatitis is generally due to exposure to allergic substances appear inflammatory disease, generally will appear red skin, flaking, and accompanied by itching, need to take oral antihistamine drugs, such as levocetirizine hydrochloride tablets treatment. Third, dehydration peeling, is a normal physiological phenomenon, more hydration can be.