Diarrhea and fear of cold are often considered as evidence of spleen yang deficiency and kidney yang deficiency, which can be treated with Radix Rehmanniae Pills and Sishen Pills. Spleen yang deficiency is mostly caused by congenital deficiency, over-eating of cold and raw food, or prolongation of kidney yang deficiency (deficiency of yang qi in the kidney) due to prolonged illness. Clinical symptoms such as inappetence, dysuria, loose stools, swelling of limbs, and shortness of urine are often seen in the clinic. 1. Radix Rehmanniae Pill is composed of Radix Rehmanniae Praeparata, Radix et Rhizoma Ginseng, Rhizoma Atractylodis Macrocephalae, Radix et Rhizoma Glycyrrhizae, Radix et Rhizoma Glycyrrhizae. It has the effect of warming the middle and strengthening the spleen. It is used in treating deficiency and coldness of the spleen and stomach (spleen and stomach are weak and cold), cold pain in the epigastric region (stomach and epigastric region and abdomen feel cold and painful), vomiting and diarrhea, and lack of warmth in the hands and feet. This medicine should not be taken when one has a cold. 2. Four Spirits Pill, composed of nutmeg, made Cornu Cervi Pantotrichum, salt tonic and vinegar schizandra. It has the effects of warming the kidney and dispersing cold (warming the kidney and dispersing cold), astringing the intestines and stopping diarrhea (relieving diarrhea by enhancing the function of intestinal astringency). It is used in treating diarrhea caused by deficiency of kidney yang (lack of yang qi in the kidney), with symptoms such as ringing in the intestines and abdominal distension, loose bowel movements, and failure to transform food. Avoid cold and greasy food. It is difficult to accurately diagnose the disease based on some of the symptoms alone, medical consultation is recommended. If you need to take the above medicines, it is recommended to do so under the guidance of a doctor.