Urticaria is mainly caused by body contact with allergic substances, with skin, capillaries, edema and exudation symptoms. It is suggested that after a clear diagnosis, we should take anti allergic drugs for comprehensive treatment to avoid contact with allergic substances in our daily life. Take orally the medicine while keeping the light and digested food for comprehensive recuperation, to avoid spicy and irritant food, seafood, onion, pepper and other irritant food, which may lead to worsening symptoms or incurable symptoms.