小儿疰夏·湿困脾胃证(summer non-acclimatization in infant with syndrome of dampness retaining in spleen and stomach)是指暑湿困遏,脾胃气机不利,以身热不扬,倦怠嗜卧,纳呆,胸闷泛恶,面色萎黄,大便不调,小便色黄,舌淡红,苔白腻或微黄腻,脉濡数为常见症的小儿疰夏证候。