The skin on the mouth may be due to a certain lip infection in the mouth and lip area, or there may be a certain seborrheic dermatitis around the mouth. 1, lip infection: you can generally apply topical creams, such as mucopolysaccharide polysulfate cream, or trimethoprim cream, etc., to control the local inflammatory reaction. The company’s main business is to provide a wide range of products and services to the public. It is also necessary to take oral antihistamine medication. You can take oral Chinese medicine, such as anti-breeze and anti-itch granules or moistening and anti-itch capsules, etc.