Spleen-Yang deficiency diarrhea can be treated with Radix Rehmanniae Pills under the guidance of a doctor, but there is no first choice. Spleen-Yang deficiency diarrhea is seen in diarrhea before dawn, abdominal pain, intestinal tinnitus, diarrhea immediately after diarrhea, after diarrhea is comfortable, fear of cold, low temperature of the limbs and other symptoms. Radix Rehmanniae Pill is composed of Radix Rehmanniae Praeparata, Radix Codonopsis, Rhizoma Atractylodis Macrocephalae (Stir-Fried), Radix et Rhizoma Glycyrrhizae, Glycyrrhiza Uralensis, etc. It can warm the middle and strengthen the spleen. It is used for cold pain in the stomach and abdomen (feeling cold pain in the stomach and abdomen), cold limbs and loose stools (thin and unformed feces). The adverse reactions and contraindications of this drug are not known. Use with caution in pregnant women. Patients with chronic gastroenteritis and diarrhea whose symptoms do not improve after taking the medicine for three days should go to the hospital. It is recommended that patients with diarrhea due to deficiency of spleen yang should consult a doctor in time and use the medicine under the doctor’s guidance, do not take it on your own, so as not to delay the condition.