Cistanchis is an alias of the traditional Chinese medicine Cistanche, which is effective in tonifying kidney yang, benefiting essence and blood, moistening the intestines and relieving constipation. It is used in the treatment of diseases caused by deficiency of kidney yang and essence and blood, as well as constipation of dry intestines. Cistanchis is the dried fleshy stems with scaly leaves of Cistanchis or Cistanchis tubulosa in the family of Ledebouriidae, which is sweet, salty and warm in nature, and belongs to the kidney and large intestine meridians, with the effects of tonifying kidney yang, benefiting essence and blood, moistening the intestines and relieving constipation. This product in the clinical treatment of kidney yang deficiency, insufficient essence and blood due to male impotence and premature ejaculation, women’s uterine cold infertility, lumbar and knee pain, muscle and bone weakness and other diseases, often with cuscuta, continued, Eucommia, BaJiTian and other drugs used; treatment of intestinal dryness and constipation, often with ShenXiang, MaZiZhiRen, angelica and other medicines used in conjunction with the use of. Yin deficiency and fire and loose stool (feces thin not shaped) diarrhea should not take this product; stomach and intestines solid heat, heat constipation should not be used. When discomfort occurs, it is necessary to consult a doctor in time and choose medication under the guidance of physician’s diagnosis, and not to use medication on one’s own in order to avoid delaying the condition.