Dried yellow essence has the effects and functions of tonifying qi and nourishing yin, strengthening the spleen, moistening the lungs and benefiting the kidneys. Huang Jing is the dried rhizome of Dian Huang Jing, family Liliaceae. It is sweet and flat. Attributed to the spleen, lung and kidney meridians. It is effective in tonifying qi and nourishing yin, strengthening the spleen, moistening the lung and benefiting the kidney. Huang Jing is often used for spleen and stomach qi deficiency, fatigue, gastric yin insufficiency (insufficient yin fluid in the stomach), dry mouth and little food, lung deficiency and dry cough, coughing and coughing up blood, lack of essence and blood, lumbar and knee soreness and weakness, premature whitening of the beard and hair, and internal heat and thirst (internal fever accompanied by symptoms such as overeating and excessive urination) and other conditions. The nature of this product is nourishing and greasy, and it is easy to help dampness and stagnation of qi, so it should be used with caution for those with spleen deficiency and dampness obstruction and phlegm-dampness congestion. If you need to use traditional Chinese medicine, it is recommended that you use it under the guidance of a professional Chinese medicine practitioner.