The contraindications of Shengmai Drink are not clear. It has the effect of benefiting Qi, nourishing Yin and promoting the production of body fluid. Effects: Benefiting Qi, nourishing Yin and promoting the production of body fluid. It is used in treating deficiency of both qi and yin (deficiency of both qi and yin), resulting in tiredness, weakness, shortness of breath and laziness, sweating and fatigue, dry throat and thirst, dry tongue with reddish color and little moss, weak pulse, etc. It is also used in treating the symptoms of diabetes mellitus. Precautions for using Sheng Vein Drink: Avoid indigestible food. It should not be taken by patients with fever and cold. Diabetic patients and those with hypertension, heart disease, liver disease, kidney disease and other serious chronic diseases should take it under the guidance of a physician. Children, pregnant women, lactating women should be taken under the guidance of a physician. Note that patients taking the drug for 4 weeks without symptomatic relief, should go to the hospital. Palpitations (rapid heartbeat, often accompanied by panic) shortness of breath serious people should go to the hospital. It is forbidden for those who are allergic to this product, and should be used with caution for those with allergic constitution. Sheng Vein Drink is not suitable for application in cases where external evils have not been resolved, heat from summer sickness is in full swing, and there is no damage to qi and yin. It is recommended to choose the appropriate medicine after recognizing the symptoms under doctor’s guidance.