According to the instructions for use of the drug, the use of Yubingfeng Granules will not cause adverse reactions such as yiqi (farting) under normal circumstances. There are many causes of yi qi in clinic, such as stagnation of liver qi, dampness and heat in the large intestine, etc., which need to be considered comprehensively and cannot be generalized. Yupingfeng Granules is composed of Astragalus, Atractylodes Macrocephalae, and Fenghuang, etc. It has the efficacy of benefiting qi, fixing the epidermis, and stopping sweating, and can be used for those who have epidermal deficiency (weak muscle epidermis leading to abnormal sweating out), spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement), malignant wind, and those who have a weak constitution and are susceptible to wind evils. It should be noted that this product should be taken before meals. For patients with excessive vexation, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician for evidence-based treatment.