Red and itchy face allergy is due to the stimulation of allergic inflammatory reaction, which causes local capillary dilation, resulting in obvious redness and itching symptoms. In case of facial allergy, you should immediately clean your face with water, stop contacting the allergen, seek medical advice and follow medical prescriptions. 1. Acute treatment measures: 1. Clean the face: immediately wash the face gently with cold water or light salt water to remove the substances that cause facial allergy; 2. Local cold compress: apply a towel soaked in cold water to the uncomfortable parts of the face to relieve the symptoms through continuous cooling. Second, the chronic phase of treatment measures face allergy treatment is mainly anti-allergy drugs, other drugs play a supporting role, such as vitamins, anti-inflammatory drugs, etc. 1, anti-allergy drugs: that is, antihistamines, such as chlorpheniramine maleate tablets, desloratadine, etc.; 2, anti-inflammatory drugs: if the allergy situation is heavy, can be combined with drugs, such as compound glycopyrrolate tablets; 3, vitamins: such as vitamin C, vitamin E, etc. Promote collagen synthesis, which is beneficial to wound healing, and improve vascular permeability; 4, light-avoidance agents: some patients have facial allergies due to sun exposure, so they can be combined with oral light-avoidance agents, such as hydroxychloroquine and carotene, so as to reduce the damage caused by light exposure; 5, corticosteroids: try to avoid using hormonal drugs, and consider such drugs if other drug treatments are not effective.