The effects of astragalus in water are to replenish qi and promote yang, consolidate the surface to stop sweating (by consolidating the muscle surface to stop sweating), etc.; the effects of wolfberry in water are to nourish the liver and kidneys, benefit the essence and brighten the eyes; the effects of American ginseng in water are to replenish qi and nourish yin, and to clear away heat and promote the production of body fluid. It should be noted that tea can play a limited medicinal effect, can not replace the drug treatment of disease. Astragalus is sweet, slightly warm, with the effect of tonifying qi and Yang, fixing the surface and stopping sweating, inducing diuresis and eliminating swelling, generating fluids and nourishing blood, and promoting stagnation and paralysis (making the paralyzed meridians smooth). It can be used to treat tiredness and fatigue, loose stools with little food, edema, urinary incontinence and so on. Note that where the surface of the real evil, internal stagnation, yin deficiency and hyperactivity, sores and ulcers at the beginning or after the collapse of heat and toxins, etc., should not be used. Chinese wolfberry is sweet and flat, can nourish the liver and kidney, benefit the essence and eyesight. Treatment of lumbar and knee weakness, blurred vision and other conditions. The adverse reactions and contraindications of this product are not clear. Radix Panax Ginseng is sweet, slightly bitter and cool, with the effect of tonifying qi and nourishing yin, clearing heat and generating fluids, and is used for qi deficiency, fatigue, dry throat, heartburn and thirst. It is cold in nature and can injure yang and help dampness, therefore, it is not suitable for people with weakened yang in the middle and cold dampness in the stomach. It is not suitable to be used with veratrum. The drug is recommended to be taken under the guidance of a doctor, and should not be used on its own to avoid adverse reactions.