2. Huangqi Shanyao Decoction is mainly made of yam and Huangqi. The soup has the effects of invigorating spleen, nourishing stomach, strengthening exterior surface, stopping sweating, inducing diuresis and relieving swelling, promoting fluid production and nourishing blood (supplementing body fluid and blood).

3. Astragalus membranaceus is a traditional Chinese medicine, which has the effects of invigorating qi and yang (invigorating qi and rising yang), consolidating exterior surface and arresting sweating, inducing diuresis to reduce swelling, promoting fluid production and nourishing blood, dispersing stagnation and dredging collaterals, disinfecting and expelling pus (discharging pus in the body), healing wounds and promoting the growth of new meat.

4. Chinese yam is a nourishing traditional Chinese medicine, which has the effects of invigorating spleen and stomach, promoting fluid production and benefiting lung, tonifying kidney and fixing essence, and can be used to treat anorexia due to spleen deficiency, chronic diarrhea, cough and asthma due to lung deficiency, nocturnal emission due to kidney deficiency, frequent micturition, thirst due to deficiency heat, etc.