Astragalus can tonify qi and raise yang, benefit the guard and fix the surface, promote water and swelling, and support sores and muscles, so usually boiling water with Astragalus or drinking Astragalus as a tea substitute can increase the body’s qi. If you usually have insufficient qi, fear of wind and cold, often sweating, you can improve the symptoms by the effect of astragalus to replenish qi and astringent sweat. If the spleen and stomach are usually weak or have edema, using Astragalus can strengthen the spleen and dampness, promote water and reduce swelling, which can also play a relevant role, but need to be combined with diuretics, the effect will be better. For surgical diseases such as carbuncles, swellings, sores and boils, if there is usually insufficient Qi to hold the pus out, using Huang Qi has the effect of holding the sores and generating muscle, so choose the corresponding effect of Huang Qi according to different conditions.