Repeated redness and itching on the face is considered to be the problem of skin allergy and eczema on the face. You need to avoid contact with allergy-prone foods or cosmetics, pay attention to moisturizing, and use antihistamines such as cetirizine hydrochloride tablets to relieve symptoms. 1. Facial skin allergy: Eating allergenic foods such as seafood, unsuitable cosmetics or applying too much dosage can lead to facial skin allergy, which is manifested as hives with redness, swelling and itching on the face. Avoid contact with the above allergy-causing foods or articles, and go to the hospital if the symptoms are serious. 2. Eczema: Eczema is an inflammation of the superficial dermis and epidermis caused by a variety of internal and external factors. Under normal circumstances, the skin is a barrier that protects individuals from disease and infection, and this protective effect is weakened when it is overly sensitive to external stimuli. Eczema, on the other hand, is caused by environmental and physical irritants and manifests itself as patches of skin that begin to flake, itch, and redden. Treatment for eczema can be in the following areas: (1) Moderate cleansing of the facial skin, adequate use of moisturizers, and moist compresses to improve skin barrier function if necessary. (2) For patients with frequent scratching, use antihistamines such as cetirizine hydrochloride tablets to relieve itchy allergy symptoms. (3) For severe eczema and recurrent eczema, choose glucocorticoid drugs such as prednisone for treatment. If the face is repeatedly red and itchy and does not relieve, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease under the guidance of the doctor standardized treatment, the use of drugs need to follow the doctor’s instructions, to avoid self-medication.