Cistanchis are generally not recommended to be drunk as tea for a long period of time. If you need to take it for a long period of time, you need to do so under the guidance of a doctor. Cistanchis is sweet, salty and warm in nature. It belongs to the kidney and large intestine meridians, and has the effects of tonifying kidney yang, benefiting essence and blood, moistening the intestines and relaxing the bowels. It is often used in treating renal yang insufficiency (lack of yang in the kidneys), deficiency of essence and blood, impotence, infertility, lumbar and knee soreness, sinewyness, and constipation, etc. At present, the adverse effects and contraindications of Cistanchis are not clear. At present, the adverse effects and contraindications of Cistanchis are still unclear, and it is not recommended to drink it as tea for a long period of time, so as not to cause discomfort. If it is necessary to carry out long-term conditioning, please use it according to the amount of standardized use under the guidance of a doctor. Moreover, the active ingredients of herbal tea are limited and cannot replace the therapeutic effect of herbal soup. If you need to take Cistanchia, it is recommended to consult a professional doctor first to avoid the adverse effects caused by self-medication.