Experience of Western Medicine: Shengxian Decoction is mainly composed of Radix Astragali. Because Astragalus membranaceus is good at invigorating qi and ascending qi, and its quality is relaxed, it contains oxygen, and it has the wonderful effect of harmonizing with the qi in the chest, but it is slightly hot, so it is known that the mother is cool and moist to help. Bupleurum chinense is a medicine for shaoyang, which can induce trapped people in the atmosphere to rise from left; Cimicifuga is Yangming's medicine, which can lead the trapped person to rise from the right; Platycodon grandiflorum is a boat in medicine, which can carry the power of various drugs to the chest, so it is used as a primer. To the extreme of qi deficiency, ginseng should be added, so the essence of nourishing qi is also; Or more meat, so it can stop the flow of qi. If the abdomen falls less or hurts more, people's atmosphere will sink to nine depths, and people who need the strength of Cimicifuga will be lifted up, so Cimicifuga will be added five points or twice as much. The intention of the regulation is that it can be increased and decreased at any time, especially in the flexibility of witnesses.