If taken correctly under a doctor’s supervision, Huang Jing can exert benefits such as nourishing Yin and moistening the lungs (nourishing the lungs by replenishing the lung fluid), tonifying the spleen and benefiting the vital energy. Huang Jing is sweet in flavor and flat in nature; it belongs to the spleen, lung and kidney meridians. It has the effects of nourishing yin and moisturizing the lungs, tonifying the spleen and benefiting qi, and nourishing the kidney and filling the essence. It is mainly used for treating yin deficiency and labor cough, lung dryness and cough, spleen deficiency and fatigue, low food and dry mouth, thirst; kidney deficiency, lumbar and knee soreness and limpness (a feeling of soreness and weakness of waist and knee), impotence and spermatorrhea, tinnitus and darkness of the eyes, premature whitening of the beard, and weakness and thinness of the body. Huang Jing is contraindicated for those with cold and diarrhea, phlegm-dampness plumpness (stomach distension and discomfort) and Qi stagnation. If the patient has any discomfort, please go to a regular medical institution; if you need to use Huang Jing, it must be used under the guidance of a professional doctor.