Farting after taking Ginseng Ling Bai Zhu San may be caused by the effect of medication, or it may be caused by eating food that produces gas. Ginseng Ling Atractylodes Macrocephalae has the effect of strengthening the spleen, benefiting the qi, stopping diarrhea, and seeping dampness, etc. It can be used for treating weakness of the limbs caused by spleen deficiency and dampness, intestinal sounding and diarrhea, yellowish color, chest and epigastric plumping (chest and abdominal distension and inability to get through), and emaciation and other diseases. Generally speaking, the function of spleen and stomach will return to normal after taking Ginseng & Atractylodes Macrocephalae, at this time, gastrointestinal peristalsis will increase, and the patient will have the performance of farting a lot. Patients with cold and fever should not take Ginseng & Atractylodes Macrocephalae. In addition, eating radish, sweet potato and other foods that produce gas easily during the period of taking Ginseng & Atractylodes Macrocephalae, may also cause farting after taking Ginseng & Atractylodes Macrocephalae. Generally speaking, farting after taking Ginseng & Atractylodes Macrocephalae is a normal phenomenon, and it is recommended that patients take Ginseng & Atractylodes Macrocephalae as prescribed by the doctor, and should not take medication without authorization.