The common use of wolfberry and yellow essence is decoction for internal use. Chinese wolfberry has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes; yellow essence has the effect of tonifying qi and nourishing yin, strengthening the spleen, moistening the lungs and tonifying the kidneys. 1. Lycium barbarum: can be used to treat deficiency, soreness of waist and knees, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal fever accompanied by eating, drinking, urinating and other symptoms), blood deficiency and yellowing, and dizziness and uncertainty of the eyes. External solid heat, spleen deficiency with dampness and diarrhea should not be taken. 2. Huang Jing: can be used to treat yin deficiency and lung dryness (deficiency of yin in the body, resulting in lung dryness without nourishment), dry cough with little phlegm, deficiency of lung and kidney yin, prolonged coughing with exertion, weakness of the spleen and stomach, deficiency of kidney essence, internal heat and thirst. Cold and diarrhea, phlegm-dampness plumpness (stomach distension and discomfort) stagnation of qi should not be taken. If you need to take both, it is recommended to use under the guidance of a physician.