Spleen qi can reach stomach from meridians and vessels, stomach qi can reach spleen from meridians and vessels and transfers from hallux and collaterals of Fenglong (ST 40) and Gongsun acupoints along stomach meridian into spleen meridian then to spleen and forms circulation routes. Divergent collateral of spleen meridian connects stomach meridian at medial angle of eye and forms circulation routes from feet to head and is distributed over heart in this route.

Function of spleen is transportation and transformation that is function of digestion food and digests fluid mainly. Function of stomach is receiving food, digest and descending the turbid; it receives digestion and transports food stuff. Combination of two qi can completes digestion process normally. Qi of two meridians participates and receives qi of general circulation. Stomach meridian receives qi that large intestine meridian transfers and transfers to spleen meridian then to heart meridian. Qi of general circulation plays the role of coordination with whole function in spleen qi and stomach qi.