Astragalus is not suitable for people with sores and ulcers at the beginning of ulcers, and Maimendong is not suitable for people with spleen deficiency and loose stools (thin and unformed feces), so Astragalus and Maimendong should be used under the guidance of doctor’s diagnosis. Astragalus is not suitable for people who are suffering from solid symptoms such as phlegm and cough, abdominal pain and refusal to be pressed, the beginning of sores and ulcers, or those who are suffering from heat and toxicity after sores and ulcers have collapsed. Maitong is not suitable for people with loose stools in spleen deficiency, coughing at the beginning of wind-cold sensation, or people with phlegm (a pathological product formed by the impaired metabolism of water and fluid) and dampness in the lungs and stomach. Astragalus and maitong adverse reactions are not clear, the use of the two with the brewing of water to drink, the effective dose is limited, it is difficult to achieve therapeutic effects, such as the need to use the above two drugs, should follow the doctor’s instructions, in order to achieve a better therapeutic effect.