Xuanmai Ganlang Granules should not be used for a long time. Xuanmai Ganlang Granules is a medicine not a food, take the medicine for 2 weeks without symptomatic relief, you should go to the hospital. Therefore, long-term use is not recommended. Xuanmai Ganlang Granules are mainly composed of Xuanshen, Platycodonopsis and other medicines. Its effect is to clear away heat and nourish yin, dispel phlegm and benefit the pharynx. It can be used for the treatment of yin deficiency and fire exuberance (deficiency of yin and essence in the body, resulting in hyperactive fire), floating fire, dryness of the mouth and nose, and soreness of the throat. The adverse reactions and contraindications of Xuanmai Ganlang Granules are not clear. Avoid tobacco, alcohol, spicy, fishy food. Diabetic patients and people with hypertension, heart disease, liver disease, kidney disease and other serious chronic diseases should be taken under the guidance of a physician. Children, pregnant women, lactating women, the elderly and frail, spleen deficiency loose stools (feces thin and not shaped) should be taken under the guidance of a physician. If symptoms are not relieved within 3 days of taking the medicine, consult a doctor. If there is a need for medication, it should be used under the guidance of a doctor and should not be used blindly by oneself to avoid adverse consequences.