The combination of Radix Panax Ginseng, Radix Codonopsis Pilosulae and Radix Astragali can better perform the function of tonifying the spleen and lungs, and it is generally more effective when used symptomatically as prescribed by the doctor. Radix Panax Ginseng has the effect of strengthening the spleen (regulating the qi of the spleen and stomach), generating fluids and moistening the lungs, tonifying the spleen qi, nourishing the stomach yin, tonifying the lung qi and moistening the lung dryness. Radix Codonopsis pilosulae has the effects of strengthening the spleen and the lungs (strengthening the functions of the spleen and lungs), nourishing the blood and generating fluid, and is suitable for qi and fluid injuries, shortness of breath and thirst, as well as internal heat and thirst (internal heat accompanied by symptoms such as excessive eating, drinking and urination). Astragalus has the functions of strengthening the spleen and tonifying the middle, elevating yang and lifting up the sun (elevating and lifting up the yang energy of the body to lift up the sunken organs), benefiting the guards and consolidating the epidermis, and inducing diuresis and reducing edema, and it can improve the symptoms of deficiency of the spleen qi, deficiency of the lung qi, and self-sweating of deficiency of the qi (involuntary sweating during the daytime, aggravated by the slightest movement of the sweating), and so on. Radix Panax Ginseng, Radix Codonopsis Pilosulae and Radix Astragali are relatively calm and can be used together to enhance their effects of tonifying the spleen and lungs, generating fluids and nourishing the blood (replenishing the body’s water and blood), but it should be noted that it is not suitable to be used in conjunction with Veratrum. The adverse effects of the three are not clear. It should be noted that the three together have stronger tonic effects. It is important to note that clinical treatment should be based on different conditions, and therefore should be used in accordance with the doctor’s instructions.