The face is often allergic to the following points to improve: First, observe whether there are allergens in the surrounding environment, such as food, dust in the air, furniture and objects around, etc., and find allergens should be actively avoided. Secondly, see if you have carried out regular treatment. Generally, it is difficult for the body to heal from repeated allergies on the face through its own ability, so once the phenomenon of allergy appears, anti-allergy treatment should be carried out immediately, such as oral cetirizine hydrochloride tablets. Third, to see if one has low immunity, when one’s immunity is poor, the skin is also prone to repeated allergies, so one can add compound glycyrrhetinic acid tablets and exercise appropriately to improve immunity.