There is no comparison of efficacy between Si Shen Wan and Yu Gui Wan, which do not have the same indications. Si Shen Wan is composed of nutmeg, tonic oil, schizandra, Wu Wei Zi, Wu Zhu and jujube, and 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 intestinal astringent function). It is used for diarrhea caused by deficiency of kidney yang (lack of yang energy in the kidneys), with symptoms such as ringing in the intestines and abdominal distension, loose bowel movements, poor appetite, prolonged diarrhea, and yellowish face and cold limbs. Right Angelica Pill is composed of Radix Rehmanniae Praeparata, Rhizoma Polygonati Odorati, Rhizoma Cinnamomum Cassiae, Cinnamomum Cassiae, and Rhizoma Dioscoreae, etc. It has the efficacy of warming and tonifying Kidney-Yang (warming and replenishing the kidney yang qi), filling up the vital essence and stopping ejaculation (filling up the vital essence and stopping ejaculation and spermatogenesis). It is used in treating deficiency of kidney yang, failure of vital fire (weakness of kidney yang in the organism, reduced function of warming and promoting the operation of qi and blood), coldness of the waist and knees, lack of mental energy, cold and fear of cold, impotence and spermatorrhea, loose stools, and frequent and clear urination. It is recommended that patients use medication under the guidance of a doctor, do not take medication on your own to avoid delays.