Compound glycyrrhizin tablets have the therapeutic effect of anti-allergy and immunomodulation, and the effect is more prominent in the treatment of allergy-induced urticaria, especially for the recurrence of urticaria, the emergence of large fusion of rashes, as well as the application of anti-allergy drugs when the efficacy of the poor application of the combination of applications. It is usually required that the patient’s blood pressure remains stable and there is no hypokalemia, otherwise it will cause the occurrence of elevated blood pressure and hypokalemia. In the application of the treatment of urticaria at the same time, can also be combined with antihistamines and proprietary Chinese medicines, such as dermatophagoides capsule or moistening dryness and relieving itching capsule, can play a very good anti-allergic efficacy.