Redness, itchiness and other uncomfortable symptoms on the skin of the face are mainly considered symptoms of atopic dermatitis, which can be caused by improper diet, environmental changes and improper skin care. 1. Improper diet: allergies can be caused by consuming foods that cause allergies, such as seafood, beef and mutton, animal liver or tropical fruits such as mangoes and durian. 2. Some patients can be allergic to pollen, dust mites, etc.; 3, improper skin care: some patients are allergic to cosmetics and skin care products that are irregular or unsuitable for their skin type; 4, other: abuse of hormone creams, wearing chemical fiber masks for a long time may also lead to allergic symptoms on the face. Allergy symptoms may also occur on the face. When the face allergy is generally recommended to use drug treatment, you can topical vitamin E ointment, or zinc oxide ointment, and can also be supplemented with oral medication such as Ebastine tablets, vitamin C tablets for treatment. If the results are poor, topical calcium phosphatase inhibitors can be applied. In addition to medication, patients should also avoid close contact with allergens, avoid spicy and stimulating foods, suspend the consumption of seafood, beef and mutton, and durian, etc. Avoid smoking and alcohol. Maintain a regular work and rest schedule, avoid staying up late, and ensure sufficient sleep to help the recovery of the skin on the face.