Yingkerui (Tianjin) Innovative Medicine Research Co., Ltd.

1) Compare the pharmacokinetic parameters of the investigational drug and the control drug under fasting conditions in healthy participants, examine the rationality of blood sampling and dosage settings, and verify the blood drug concentration analysis method. 2) Examine the safety of the investigational drug and the control drug in healthy participants.

This study aims to preliminarily evaluate the efficacy and safety of Xiaoerbai Zhitong Granules in treating functional abdominal pain (cold accumulation abdominal pain syndrome) in children, and to provide a basis for the design of Phase III clinical trials and the determination of dosage regimens.

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).