If the redness of the face is caused by allergy, local saline or boric acid solution can be given as a wet compress, preferably at about 4 degrees, to effectively eliminate the redness and swelling, while oral antihistamines such as loratadine, desloratadine, cetirizine, etc. In severe cases, glycopyrrolate can also be given as a sedative to help recovery. If the redness is caused by infection, local anti-infection solution should be given to wet compresses, such as furacilin solution or Revnor solution, and topical anti-infection creams, such as fusidic acid cream, Bactrim cream, etc. Be careful not to touch water to avoid aggravating the infection. Also need to take oral antibiotic treatment, pay attention to monitoring body temperature and vital signs.