Taking Wu Ji Bai Feng Wan as prescribed by the doctor does not usually cause bloating of the abdomen. Bloating of the abdomen may be due to liver depression and stagnation of qi (poor qi and blood transportation in the liver, emotional depression), dampness-heat obstruction, and deficiency of kidney qi. If bloating occurs while taking Wu Ji Bai Feng Wan, please consult a doctor as soon as possible to clarify the cause. Wu Ji Bai Feng Wan belongs to Chinese patent medicine, which is composed of Wu Ji, Ginseng, Chinese yam, Astragalus, Radix Rehmanniae Praeparata and Radix Angelicae Sinensis. It is effective in tonifying Qi and nourishing blood, regulating menstruation and stopping leucorrhoea (regulating menstruation and reducing abnormally increased leucorrhoea). It is mainly used for the treatment of deficiency of Qi and Blood, which is commonly associated with lumbar and knee soreness (a feeling of soreness and weakness in the waist and knees), irregular menstruation, dysmenorrhea, leucorrhoea, and thinness of the body. The adverse reactions of this product are not clear. Note that this product is prohibited for those who are allergic to this product, allergic individuals should be cautious, cold and fever patients should not take, patients with serious chronic diseases, adolescent girls and menopausal women should be taken under the guidance of a physician. If bloating occurs during the administration of Wu Ji Bai Feng Wan, it is recommended to consult a hospital and standardize the treatment under the guidance of a physician.