Generally speaking, the dosage of Chasteberry is 6-15g in decoction; the dosage of Cistanche is 10-15g in decoction, and the specific dosage should be decided by the physician according to the condition. 1. Chasteberry is the dried mature fruit of Chasteberry, family Mulleinaceae, its effect is to brighten the eyes and darken the hair, nourish the liver and kidney, and is mainly used for the treatment of internal heat and thirst (internal fever accompanied by symptoms such as overeating, drinking, and urinating), darkness of the eyes and darkness of the eyes and eyes, lumbar and knee soreness and weakness, deficiency of yin in the liver and kidney, and dizziness and tinnitus, and other diseases. The adverse effects and contraindications of Chasteberry are not clear. 2. Cistanchis is the dried fleshy stem with scaly leaves of Cistanchis, family Ledebouriae. Its effect is to tonify kidney yang, lubricate the bowels, benefit essence and blood, and is mainly used in the treatment of renal yang insufficiency, deficiency of essence and blood, and intestinal dryness and constipation. Adverse reactions are not clear, and it is not suitable for yin deficiency and fire exuberance, loose stools, and constipation with heat knot. If patients need to use Chasteberry and Cistanche, it is recommended to use under the guidance of a doctor to avoid delay.