Jinlian Xiaofeng Granules

Primary objective: To preliminarily evaluate the efficacy of Jinlian Xiaofeng Granules in the treatment of chronic spontaneous urticaria (wind-heat syndrome). Secondary objectives: (1) To preliminarily evaluate the safety of Jinlian Xiaofeng Granules in the treatment of chronic spontaneous urticaria (wind-heat syndrome); (2) To explore the optimal effective dose of Jinlian Xiaofeng Granules in the treatment of chronic spontaneous urticaria (wind-heat syndrome); (3) To explore the recurrence rate of Jinlian Xiaofeng Granules in the treatment of chronic spontaneous urticaria (wind-heat syndrome).