Cistanchis decoction, dosage of 6-10g, is good for essence and blood, tonifying kidney yang, moistening the intestines and laxatives, and can be used with Cortex Eucommiae and Morinda Citrifoliae. Cistanchis is sweet, salty and warm in nature, belonging to the kidney and large intestine meridians, beneficial to essence and blood, tonifying kidney yang, moistening the intestines and laxatives, and can be used for kidney yang deficiency (lack of yang in the kidney), lumbar and knee soreness, deficiency of essence and blood, impotence, infertility, and weakness of muscles and bones. It is often used together with Ba Ji Pork and Cortex Eucommiae to treat kidney deficiency and bone impotence (also known as renal atrophy, which is commonly characterized by lumbar and back soreness, weakness of the lower limbs, and dryness of the teeth, etc.). This product can also be used for intestinal dryness and constipation. It can be used in conjunction with Ma Zi Ren and Shen Xiang to treat constipation due to too much sweating and depletion of fluid. It can be used in conjunction with Angelica Sinensis, Ze Xie Di, and Cow Knee to treat weak kidney qi, clear and long urination, impassable bowel movement, and lumbar soreness and back coldness. Adverse effects of this product are not clear. This product can slide the intestines and help Yang, so it should not be taken by people with heat knot constipation, yin deficiency and fire exuberance (deficiency of yin essence in the body and hyperactivity of deficiency fire occurs), or people with loose stools. Do not use the drug by yourself, please use it under the guidance of a doctor.