Urticaria, especially chronic urticaria, is prone to recurring attacks. When this happens: a. Find out the cause of the urticaria, such as diet, medication, or daily exposure to pollen, dust mites, etc., find out the suspected allergens as much as possible and try to avoid them in daily life. Anti-allergic treatment is required and must be taken continuously, with gradual reduction and discontinuation of medication. Immunomodulatory drugs, such as glycyrrhizin and paeoniflorin capsules, can be used to good effect in some patients. Of course, some patients with urticaria may have a combination of intrinsic diseases, such as the combination of H. pylori infection or other autoimmune diseases, which also need to be treated symptomatically at the same time.