Red and itchy face may be caused by eczema, contact dermatitis, seborrheic dermatitis and other diseases, should be clearly diagnosed, choose the appropriate way of treatment, including general treatment, medication and so on. 1. Eczema: If the redness and itchiness on the face is caused by eczema, patients should clarify the allergens and avoid re-exposure. You can apply local glycerite lotion to relieve itching, or follow the doctor’s instructions to use topical glucocorticoid drugs such as dexamethasone, hydrocortisone or trimethoprim. 2. Contact dermatitis: contact dermatitis on the face will lead to localized redness and itching, the patient should look for the cause of the disease, timely detachment. The treatment is based on topical glucocorticosteroids, common dexamethasone, mometasone furoate, etc., with anti-inflammatory, antipruritic and other effects. 3. Seborrheic dermatitis: Seborrheic dermatitis is common in the head and face, which will lead to redness and itching on the face. Patients should pay attention to local cleaning, regulate diet. Can be applied locally calcium-modulated phosphatase inhibitors, such as tacrolimus, pimecrolimus, etc., applicable to the face and other parts. There are more reasons for redness and itching on the face, so patients are advised to consult a doctor for examination and cooperate with the doctor for standardized treatment.