Serious face allergies can be treated by keeping away from allergens, external medication and internal medication. 1. Stay away from allergens: poor-quality cosmetics, willow, pollen, toxic dust, etc. can cause face allergies, you should immediately stop using irritating skin care products or cosmetics, to avoid re-exposure to allergens, you can wash your face with water to avoid aggravating the stimulation of the skin on the face, try to eat less spicy and stimulating food in the near future, and don’t scratch too much when there is itchiness on the face. 2. Topical medication: If there are local symptoms such as rashes, you can use glycerin lotion to wipe and apply Dinaid cream to relieve itching; if there is oozing liquid, you can use ketoacid solution to apply wet compresses; if there is an infection, you can apply erythromycin ointment and other medications. 3. Internal medicine: oral cetirizine hydrochloride, loratadine and other antihistamines, if necessary, intravenous vitamin C, calcium and other drugs. It is recommended that patients with severe facial allergies go to the dermatology department of the hospital in a timely manner, strictly follow the doctor’s instructions for treatment, and do not self-medicate.