Mouth Fragrance and Yin Nourishing Combination should be Nourishing Yin and Mouth Fragrance Combination, whose efficacy is to nourish yin and promote generation of fluids (nourishing the body’s water and fluids), promote circulation of qi to eliminate accumulation of stagnant fluid, and purify the stomach to remove fire (removing the fire from the stomach), and it is mainly used for the treatment of halitosis and sores on the mouth and tongue caused by deficiency of yin and heat, and deficiency of heat and fluids in stomach. Nourishing Yin and Mouth Fragrance Compound is composed of Zhu Sha Root, Yin Chen, Gentian, Tian Dong, Ophiopogon, Radix Rehmanniae Praeparata, Citrus Aurantium, Rhizoma Polygonati, Rhizoma Polygonati Macrocephalae and Loquat Leaf, etc. It is mainly used for the treatment of symptoms such as bad breath, bitter taste of the mouth and dry throat, intestinal parchedness, constipation, burning pain of the stomach, swollen and painful gums, etc., which are caused by yin deficiency, stagnation and fever and deficiency of the stomach, as well as heat and fluid. The adverse reactions and contraindications of Nourishing Yin Mouth and Fragrance Combination are not clear. However, avoid smoking, alcohol and spicy food during the period of taking the medicine; people with hypertension, heart disease, liver disease and other serious chronic diseases should take it under the guidance of a doctor; do not take tonic Chinese medicine during the period of taking the medicine. If you need to take it, it is recommended to go to a regular hospital, under the guidance of a professional doctor, according to their own conditions, reasonable choice, not to take it on their own, so as not to delay the condition.