How long it takes to treat cold hands and feet with Radix Rehmanniae Pill is determined by the patient’s condition, with shorter time required for mild conditions and longer time required for severe conditions. However, if the symptoms are not relieved after 2 weeks of taking the medicine, the patient should go to the hospital. Radix Rehmanniae Pill is composed of Radix Rehmanniae (prepared), Radix et Rhizoma Ginseng, Rhizoma Atractylodis Macrocephalae (fried), Radix et Rhizoma Ginger, Radix et Rhizoma Glycyrrhizae. It has the effect of warming the middle and strengthening the spleen. It is used for cold pain in the epigastrium (feeling cold pain in the stomach and abdomen), vomiting and diarrhea, and lack of warmth in the hands and feet caused by deficiency of cold in the spleen and stomach (spleen and stomach are weak and cold). Avoid indigestible food. Not suitable for patients with fever and cold. People with hypertension, heart disease, liver disease, diabetes mellitus, kidney disease and other serious chronic diseases should take under the guidance of a physician. Pregnant women should be cautious, lactating women, children should be taken under the guidance of a physician. Chinese medicine needs to be used under the guidance of a Chinese doctor to identify the evidence, and individuals should not use it blindly to avoid adverse consequences.