Huangdi Neijing said, "Righteousness exists within, and evil cannot be done." The process of disease occurrence, development and outcome is the process of struggle between healthy qi and evil qi. Strengthening vital energy means supporting healthy qi, nourishing viscera, qi and blood, and enhancing disease resistance. Bian Shi achieved the goal of strengthening the body by promoting blood circulation, benefiting qi and dredging collaterals. Spin Bian Shi has a strong function of "attracting" and "promoting" the circulation of qi and blood, and has the effect of promoting qi and blood circulation, and is suitable for treating diseases with qi and blood stasis and meridian obstruction as the main symptoms.