Farting after taking Radix Rehmanniae Pills is caused by the action of the drug, Radix Rehmanniae Pills mainly plays the role of warming yang and dispersing cold (warming yang qi and dispersing cold), benefiting qi and strengthening the spleen (regulating the qi mechanism of the spleen and stomach), which can improve the symptoms of spleen and stomach hypothermia (spleen and stomach deficiency and coldness), and restore the function of transportation and digestion, so farting after taking it is a normal phenomenon. The ingredients of Radix Rehmanniae Pill include Rhizoma Atractylodis Macrocephalae, Radix Codonopsis Pilosulae, Radix et Rhizoma Glycyrrhizae, Radix et Rhizoma Glycyrrhizae, Radix et Rhizoma Glycyrrhizae, and Rhizoma Glycyrrhizae Praeparatae, which are effective in regulating the gastrointestinal motility, improving gastrointestinal disorders, and improving indigestion. Note: Allergies are forbidden to use Radix Rehmanniae Pill, and children and pregnant women should be cautious of using this medicine. It is recommended to use the medicine under the diagnosis of traditional Chinese medicine, avoid blind use of medicine, avoid eating cold and spicy stimulating food during the use of medicine.