Kidney and spleen deficiencies are often regulated by proprietary Chinese medicines, and commonly used proprietary Chinese medicines include Radix Rehmanniae Pills, Si Shen Pills, Si Jun Zi Pills, and so on. 1. Radix Rehmanniae Pill: It can warm the middle and strengthen the spleen, and is used for the symptoms of spleen and stomach deficiency (spleen and stomach weakness and cold), such as cold pain in the epigastric region (stomach and epigastric region and abdomen feel cold and painful), vomiting and diarrhea, as well as lack of warmth in the hands and feet. It should not be taken by patients with cold and fever. 2. Si Shen Wan: It can warm the kidneys and dispel cold (warming the kidneys and dispelling cold), and also can astringe the intestines and stop diarrhea (relieving diarrhea by enhancing the astringent function of the intestines), and is used for diarrhea caused by renal yang insufficiency (lack of yang energy in the kidneys), with symptoms of intestinal tinnitus and abdominal distension, loose stools in the morning, poor appetite, and prolonged diarrhea. Contraindications are unclear. Precautions are unclear. Chinese medicines or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the symptoms, and individuals should not use them blindly to avoid adverse consequences.