Chronic urticaria belongs to a type of urticaria, usually the duration of the disease is more than 6 weeks, through the general treatment, drug therapy, other treatments to accelerate the improvement of the disease. 1. General treatment: For patients with chronic urticaria with clear or suspected cause, the cause should be treated, and known allergens should be avoided as much as possible to prevent the recurrence of urticaria symptoms. 2. Medication: For chronic urticaria, the second generation of non-sedating or low-sedating antihistamines, such as loratadine and cetirizine, are generally preferred. If the symptoms can not be effectively relieved, need to replace other varieties of antihistamines. Of course, patients can also use omalizumab biologics, for refractory urticaria has better efficacy. 3. Other treatments: for example, phototherapy, in the antihistamine drug treatment at the same time, you can also use long-wave ultraviolet or medium-wave ultraviolet treatment, can shorten the course of the disease. It is recommended to use medication under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.