The time to be taken is not fixed, need to be considered according to the actual condition, it is generally recommended to take the first 2 weeks, follow the doctor’s instructions and timely follow-up. Radix Rehmanniae Pill is composed of Atractylodes macrocephala, Radix et Rhizoma Ginseng, Radix et Rhizoma Polygoni Multiflori, Radix et Rhizoma Glycyrrhizae Praeparatae and Radix et Rhizoma Ginger. It has the effect of strengthening the spleen and warming the middle. Clinically, it can be used to treat cold pain in the stomach and epigastric region, cold hands and feet, diarrhea, vomiting and so on after spleen and stomach deficiency (spleen and stomach weakness and cold). The adverse reactions and contraindications of Radix Rehmanniae Pill are not exact, it should not be taken if you have a cold or fever, pregnant women should take it with caution, and you should not eat non-digestive food during the period of taking it. Taking the medication needs to be guided by a doctor, and should not be taken blindly on its own, so as not to delay the condition.