Itchy face allergy is considered to be related to atopic dermatitis. Most people with mild symptoms need to use medication for 2~3 days, patients with more obvious symptoms need to use medication for 5~7 days, and a few patients need to use medication for 2~3 weeks, the rash can gradually subside and the itching can be significantly relieved. 1. Facial skin allergies are mostly considered to be related to the use of poor-quality cosmetics, pollen and willow, long-term use of hormone-containing ointments, food allergies and other factors. It is recommended to stop the contact of suspicious products to avoid further aggravation of symptoms. 2. If the allergy symptoms are mild, after stopping contact with the allergens, antihistamines such as loratadine and cetirizine should be given under the guidance of a doctor, and the swelling can subside after 2-3 days of taking the drugs for mild cases. 3. If the symptoms are more obvious, under the guidance of the doctor, through the intravenous drug treatment, most of the patients with medication time is generally in 5 ~ 7 days, a few patients about 2 ~ 3 weeks symptoms can be gradually relieved. It is recommended that patients with facial allergies and itching go to the hospital in a timely manner, follow the doctor’s instructions to standardize the treatment, and do not adjust the medication program on their own.