The effects of Radix Panax Ginseng and Astragalus in water include tonifying qi, nourishing yin and strengthening spleen. 1. Tonifying qi: American ginseng and astragalus are both qi tonic medicines, which can tonify spleen qi and lung qi, treating qi deficiency. 2. Nourishing yin: American ginseng has the function of nourishing yin and promoting the production of body fluid, which can nourish lung yin and heart yin, treating deficiency of qi and yin, and also can be used to treat kidney yin deficiency. 3. Strengthening the spleen: Astragalus is commonly used to tonify the center of the body (treating qi deficiency by tonifying the spleen), and can treat weakness of the spleen and stomach, lethargy and fatigue (tiredness and fatigue). People with weak and weakened middle yang, cold and dampness obstruction and dampness-heat depression and fire should be cautious of taking Radix Astragali; where the surface is solid and evil, sores and ulcers are at the beginning of the process, or heat and toxins are still prevalent after ulceration, Radix Astragali should not be used. Radix Panax Ginseng and Astragalus bubble water has a certain effect, but bubble water is not as effective as decoction, the use of traditional Chinese medicine to regulate the body, or should be used correctly under the guidance of a doctor.