Fire refers to mouth and tongue sores, sore throat, constipation and other manifestations, mostly due to warming medicines more than serving for a long time or the medicine is not symptomatic, so taking medicines should be selected under the guidance of a professional physician to identify the evidence and follow the doctor’s instructions, generally will not appear on the fire situation. Commonly used medicines with Cistanchis include Radix Rehmanniae Praeparata, Radix Angelicae Sinensis, Radix Polygoni Multiflori, and so on. Cistanchis is sweet, salty and warm in nature, and belongs to the kidney and large intestine meridians. It has the effects of tonifying kidney yang, benefiting essence and blood, moistening the intestines and relieving constipation, and is used in the treatment of renal yang insufficiency, deficiency of essence and blood, and constipation of intestinal dryness and constipation. This product can replenish kidney yang, benefit essence and blood, impotence, warm waist and knees, suitable for the treatment of kidney yang deficiency, essence and blood deficiency caused by lumbar and knee soreness and weakness, depression, fear of cold, impotence and spermatorrhea, etc., and can be used in conjunction with horny goatweed, ripened dihuang, deer antler gelatin, and so on. In addition, this product is warm and moist, suitable for the elderly kidney deficiency and intestinal dryness, postpartum blood deficiency, post-disease constipation of insufficient fluid, can be used with Angelica sinensis, He Shouwu, honey and so on. Yin deficiency and fire, gastrointestinal heat, heat constipation and loose stools (stool thinning and not shaped) diarrhea should not take this product. After the discomfort should be timely consult a doctor, under the guidance of the physician’s diagnosis and selection of medication, not self-medication, so as not to delay the condition.