Astragalus Maitake in water has the function of tonifying qi and nourishing yin, and can be used as an adjunctive treatment for symptoms of qi and yin deficiencies (deficiency of both qi and yin fluids) resulting in fatigue of the spirit (mental exhaustion and physical weakness) and dry mouth and throat. Astragalus has the function of replenishing qi, generating fluid and nourishing blood (replenishing the body’s water and blood), and can be used in the treatment of deficiency of spleen and lung qi, deficiency of qi and blood, etc., which can be seen as mental fatigue, spontaneous sweating (involuntary sweating during the day, aggravated by sweating with a little movement), and yellowish complexion (yellowish and lusterless face). Astragalus should not be used in cases where the surface is solid and evil, where there is stagnation of qi and dampness, where sores and ulcers are at the beginning of the process, or where heat and toxins are still prevalent after the ulcers have collapsed. Maitong has the function of nourishing yin and can nourish the yin of the lung and stomach in order to generate fluids and clear away heat to remove vexation. The adverse reactions and contraindications of taking maitong are not clear. Astragalus maitake water can be used for people with deficiency of qi and yin, but it should be taken under the premise of accurate identification, and the specific use of medication and taking time should be carried out under the guidance of a physician.