The dosage of Cistanchis is 10 to 15 grams, which should be adjusted according to the severity of the patient’s condition and the combination of drugs used. Cistanchis is sweet, salty and warm in nature, and belongs to the kidney meridian and large intestine meridian. Its main effect is to tonify the kidney and promote yang, moistening the bowels and relaxing the bowels. It can be used in treating impotence and premature ejaculation caused by deficiency of kidney yang and essence and blood, infertility with uterine cold, lumbar and knee pain, impotence and weakness, constipation with dryness of intestines and fluid. Cistanchis can be decocted and taken internally at a dosage of 10 to 15 grams, or incorporated into pills, powder, or steeped in wine. The adverse effects of this product are currently unknown. It is contraindicated for those who are allergic to this product, and should be used with caution for those with allergies. It is also contraindicated for those who are suffering from yin deficiency (deficiency of yin and essence in the body, resulting in hyperactive deficiency fire) and loose stools (diluted feces) and diarrhea, and for those suffering from constipation due to hot constipation. If you need to use this product, it should be under the guidance of a physician, do not take medication without authorization, so as not to cause adverse reactions.