Redness and itchiness of the face are considered to produce allergic dermatitis, or cosmetic dermatitis, or solar dermatitis. Anti-allergic treatment regimen is needed in the treatment. Oral cetirizine hydrochloride oral solution can be taken in combination with compound glycyrrhizic acid capsules. If the rash is red, swollen, with large papules fused into patches, with high skin temperature, with self-induced burning, or with intense itching, you can administer 200 ml of compound glycyrrhizic acid monoammonium S chloride injection once a day, and combine it with chlorpheniramine maleate injection once a day, 1 pill/time, for intensive anti-allergic treatment. During the above treatment, it can also be combined with external application of 2% boric acid solution, 2 times/day, 1 time for 20 minutes.