Shengdi maitong xuan ginseng should not be drunk in water for a long time. Radix Rehmanniae Praeparata, Radix Ophiopogonis and Radix et Rhizoma Ginseng are three medicines with yin-supporting effects, which are often used as adjunctive treatments for dry mouth, thirst and constipation triggered by insufficient yin fluid. However, Shengdi, Maidong and Xuan Shen are cold in nature, and if used for a long period of time, they can easily damage the spleen qi and spleen yang, leading to coldness in the spleen and stomach (spleen and stomach weakness and coldness) and diarrhea. Therefore, Shengdi, Maitong, Xuan Shen, three drugs should not be long-term infusion of water to drink, while patients with cold spleen and stomach or Yang deficiency should be used with caution. Radix et Rhizoma Ginseng, Ophiopogon, Radix et Rhizoma Ginseng in water can play a limited medicinal effect, can not replace the medication to treat the disease. Discomfort should be timely medical treatment, standardized treatment under the guidance of the doctor. Yin fluid insufficiency, can be under the guidance of the doctor through medication, acupuncture treatment, dietary structure adjustment and emotional regulation and other methods of integrated management. Patients with symptoms of physical discomfort should seek medical attention in a timely manner, and should not take medication or carry out conditioning on their own to avoid adverse reactions.