The redness, swelling and itching of face allergy usually can not be eliminated quickly, you can take general treatment, medication, cold compress treatment and so on. 1. General treatment: patients should stop contact with allergens, avoid re-exposure. At the same time to keep the facial skin clean, avoid scratching, avoid excessive washing the affected area, otherwise it will aggravate the symptoms of redness, swelling and itching. 2. Medication: For patients with facial allergies, antihistamines such as cetirizine and loratadine can be taken as prescribed by the doctor to reduce the symptoms of skin inflammation. If the condition is serious, you need to follow the doctor’s instructions for external glucocorticoid drugs, such as hydrocortisone, dexamethasone and so on. 3. Cold compress treatment: In addition to the above treatment, face allergy patients can choose cold compress therapy, etc., to reduce the symptoms of redness, swelling and itching of the skin. For patients with facial allergies, it is recommended to go to a regular hospital and cooperate with the doctor to carry out the relevant treatment.