Urticaria is a widespread, generalized, round, oval, or orange peel-like appearance that can grow on any part of the body. In the face, it can cause edema of the mouth and lips, edema of the eyelids, and even in some localized areas, the local skin temperature is relatively high, and it is an allergic disease that recurs. The more you scratch with itching, the more scratches come out, one by one, and some of them can be written on the skin. In the case of severe itching, patients are advised to use some medicine to control it as soon as possible. Because the more you scratch the larger the area will be, the more wind clusters will keep happening constantly. So the first time to anti-allergy treatment, the common is paracetamol, furnace glycolic lotion can be applied externally, and then it is necessary to go to the hospital dermatology clinic to treat the serious.