Astragalus has the effects of tonifying qi and elevating yang, consolidating the surface to stop sweating (stopping sweating by consolidating the muscle surface), and inducing diuresis to reduce swelling, while maitake dong has the effects of nourishing yin and generating fluids, moistening the lungs and clearing the heart. The effects of Astragalus and Maitong brewed together are tonifying qi, nourishing yin, and inducing diuresis. Astragalus is often used for loss of appetite, bloating, and fatigue caused by weak spleen qi (weak spleen qi) and loss of transportation in the middle jiao; coughing and shortness of breath caused by weak lung qi; self-sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement) and night sweating (abnormal sweating after going to sleep, sweating stops after waking up) caused by weakness; edema and urinary deficiency caused by insufficiency of the spleen and lungs. Ophiopogon is often used for coughing and throat disadvantage caused by dryness and lung yin and yin deficiency and lung heat; thirst and constipation caused by gastric yin deficiency (insufficient yin fluid in the stomach). Although the two have the above effects, it is difficult to completely analyze the active ingredients in water, and it may not be able to obtain the original efficacy of the drug. If there is a need for medication, it is recommended to use the medicine under the guidance of a Chinese medicine practitioner, and individuals should not take the medicine on their own to avoid adverse reactions.