There are no three kinds of people do not eat yellow essence, where phlegm-damp plumpness (stomach distension and discomfort) stagnation of Qi, cold and diarrhea prohibited. Huang Jing is the dried rhizome of the plant Huang Jing in the lily family, which is flat in nature and sweet in flavor. Its effects are to tonify qi and nourish yin, strengthen the spleen, moisten the lungs and benefit the kidneys. It can be used to treat deficiency of qi in the spleen and stomach, insufficiency of stomach yin (insufficiency of yin fluid in the stomach) resulting in tiredness and fatigue, dry mouth and little food, and it can also be used to treat coughing and dryness in the lungs, coughing and coughing up blood through labor and insufficiency of essence and blood resulting in lumbar and knee soreness and tenderness (a feeling of soreness and tenderness of the lumbar and knee), and premature graying of the beard. The adverse reactions and contraindications of this product is not clear, where phlegm-dampness, plumpness and stagnation of Qi, cold and diarrhea are prohibited. The drug should be taken under the guidance of a professional physician to avoid adverse effects.