痰是体内津液代谢障碍所形成的病理产物,其性稠浊而黏滞,流动性小而难以消散,变幻多端,致病广泛[1]。小儿脏腑娇嫩,形气未充,藩篱不固,且饮食不知自调,易在外感、饮食所伤后肺脾受损,生痰生湿,罹患众病。元代著名医家朱丹溪曾于《丹溪心法·头风》中云:“如有痰,即以二陈汤而佐之, Sputum is the pathological product formed by the body fluid metabolism disorders, its sexual thick and sticky, small liquidity and difficult to dissipate, changing, extensive disease [1]. Infantile organs are delicate, gas is not filling, the fence is not solid, and the diet I do not know self-control, easy to exogenous, lung and spleen injury after eating injury, raw sputum wet, suffering from public sickness. Yuan Dynasty famous doctor Zhu Danxi was in the ”Danxi mind dandruff“ in the cloud: ”If sputum, that is, two Chen soup and Zuozhi,