Astragalus treats deficiency of spleen and lung qi, deficiency of qi and blood; ginseng treats deficiency of qi, deficiency of spleen, deficiency of heart qi; schizandra treats spontaneous sweating (involuntary sweating during the day, aggravated by the slightest movement of sweating) and night sweating (abnormal sweating after falling asleep, sweating stops after waking up), prolonged diarrhea, palpitation and insomnia, prolonged coughing with deficiency of wheezing, and other disorders. 1. Astragalus, sweet in flavor and warm in nature, belonging to the spleen and lung meridian, has the efficacy of tonifying qi and nourishing blood, inducing diuresis and eliminating swelling, and draining pus and generating muscle. It is suitable for patients with deficiency of lung, spleen and qi, deficiency of qi and blood, fatigue, cough and shortness of breath, loose stools and low food intake, superficial deficiency and spontaneous sweating (due to frequent natural sweating of weak muscle surface), carbuncle and gangrene (a kind of venomous sores, which occur on the surface of the body, the limbs, and the internal organs of the acute suppurative diseases) that are difficult to be ulcerated. It is not suitable for patients with internal stagnation and yin deficiency and hyperactivity (deficiency of yin fluid and hyperactivity of yang qi). 2. Ginseng, sweet, bitter and warm in nature, belonging to the kidney, heart, spleen and lung meridians, has the effect of tonifying the vital energy (replenishing the body’s root qi), nourishing the blood and generating fluids, tonifying the spleen and benefiting the lungs, and is suitable for patients with qi deficiency, weak pulse, deficiency of the spleen with little food, palpitations, insomnia, etc. It is not suitable for patients with colds and fever. It is not suitable for patients with cold and fever. 3. Schisandra chinensis, sour taste, warm nature, attributed to the heart, lung, kidney meridian, with tonifying the kidneys and heart (tonifying the kidneys, stabilizing the heart and mind), astringent astringent (astringent consolidation), beneficial to the qi to generate fluids (by tonifying the qi to promote the production of fluids) effect, for chronic cough and asthenia, self-sweating and night sweating, insomnia and palpitations, prolonged diarrhea and other conditions. However, it should not be used by those whose epidermal evils (evil qi on the surface of the muscles) have not been resolved and who have solid internal heat. When using the above medicines, one should have a light diet. Before using Chinese medicines, it is necessary to have a professional Chinese medicine practitioner’s identification, do not use them blindly.