The stomach and abdomen are distended and full, even after eating, the mouth does not know the taste, or even do not think about eating, loose stools, mental weakness, body thinning, body fatigue, less breath and lazy speech, the face is yellow or white, or swelling of the limbs, the tongue is pale, the moss is white, and the pulse is slow and soft and feeble. These manifestations reflect two aspects of pathological changes: one is the weakening of the spleen's transport function, the spleen is not healthy, the essence is not cloth, water and dampness within the birth, so less abdominal distension, loose stools; the spleen is weak, the water and dampness flood, so the limbs are swollen. The second is the insufficiency of qi and blood biochemistry, the spleen is the master of the limbs and muscles, spleen qi deficiency, limb loss of nourishment, so the limbs are tired; qi and blood deficiency, lack of qi, so the spirit of the lack of energy, less lazy, thin, yellowish color. Different ages, the clinical manifestations of spleen qi deficiency vary: infants and young children spleen qi deficiency, mostly manifested as indigestion, vomiting, abdominal distension, body emaciation, yellowish color; old and weak or sick for a long time to see the spleen qi deficiency, mostly manifested as the body is heavy, limb weakness, lethargy and lethargy, or emaciation and weakness, low voice, yellowish color.