The woody aroma is pungent and warm in nature, and enters the spleen and large intestine meridians. Efficacy: promoting qi and relieving pain. Citrus aurantium is bitter and slightly cold, and enters the spleen and stomach meridian. Efficacy: It can break Qi and eliminate accumulation, purge phlegm and eliminate pimples. Wuyao is pungent and warm, and enters the spleen, lung, kidney and bladder meridian. It has the effect of smoothing qi and relieving pain, dispersing cold and warming the kidneys, and is good at regulating the qi of the lower burner. Betel nut is bitter and warm, and enters the stomach and large intestine meridian. Efficacy: Kill insects, eliminate accumulation, and move water. It is associated with qi stagnation due to food, abdominal distension and pain, and discomfort in defecation.