The price of Cistanchis is 150~400 yuan per catty, the price of the drug will be affected by different places of origin and different specifications, so its price will vary, it is recommended to go to the local formal medical institutions for purchase. Cistanchis was first published in the Divine Husbandman’s Classic of the Materia Medica. It is sweet, warm and moist, and enters the kidney meridian. It is effective in tonifying kidney yang, benefiting essence and blood, moistening the intestines and relaxing the bowels. It is used in treating deficiency of kidney yang (lack of yang energy in the kidney), deficiency of essence and blood, which is characterized by lumbar and knee weakness, impotence, spermatorrhea, and mental depression. Cistanchis can pass the internal organs without hurting the fluid. It is suitable for the constipation of the elderly with kidney deficiency and intestinal dryness, fluid deficiency after illness, and blood deficiency after childbirth. It can be used together with honey, Angelica sinensis and He Shou Wu. Adverse effects of Cistanche are not known. It should be avoided in cases of yin deficiency and fire exuberance (deficiency of yin essence in the body, resulting in hyperactive fire) and loose stools (thin and unformed feces) and diarrhea, and should not be taken in cases of constipation due to hot constipation. If you need to use the drug, should be used under the guidance of a doctor, do not blindly self-medication.