The efficacy of Xuanmai Ganlang Granules is to clear away heat and nourish yin, dispel phlegm and benefit the throat. It can be used for sore throat caused by yin deficiency and fire exuberance (deficiency of yin essence in the body and hyperactivity of deficiency fire). Xuanmai Ganlang Granules is a kind of Chinese patent medicine, which is composed of Xuanshen, Maitong, Licorice, Platycodonopsis and so on. It has the effect of clearing heat and nourishing yin, expelling phlegm and relieving sore throat. It is mainly used for the symptoms such as foreign body sensation in the pharynx, sore throat, dry cough with little phlegm, dry mouth and nose, etc., which are caused by the deficiency of yin and essence in the body and the exuberance of deficiency fire. The adverse reactions and contraindications of Xuanmai Ganlang Granules are not clear. Avoid tobacco, alcohol, fish, spicy food, diet should be light. If you need to use medication, you should first consult with your doctor and use it under the doctor’s guidance, do not blindly self-medication.