A red rash on the stomach is considered to have two possibilities: first, it may be scabies, which occurs mainly in the area around the umbilicus, with tiny papules and small tunnels drilled by scabies, and the same characteristic rash can be seen between the fingers. Rashes like this can appear all over the body, but large nodules can be seen on the buttocks and vulva. This disease is caused by scabies infection, and in terms of treatment, it is necessary to apply sulfur lotion twice a day, and then apply sulfur ointment after the lotion dries in order to kill the scabies. If there is severe itching at night and it is difficult to sleep, you can inject chlorpheniramine maleate injection once a day, once a time 1ml. ii. Mainly due to allergic reactions caused by the metal jewelry worn. The treatment can be oral Orotadine hydrochloride tablets, topical application of mometasone furoate ointment coated.