小儿久咳多见于小儿支气管炎及肺炎后期,临床以咳嗽、咳痰为主症其主要病因为小儿肌肤柔嫩,藩篱疏薄,卫外不固,加之自身寒暖不知自调,极易为内外诸邪所侵,致肺失宣肃,肺气上逆为咳;而肺为金脏,脾为后天之本,气血生化之源,故脾实则散精于肺,灌溉四旁。凡外邪伤肺或肺虚邪入致咳者,均强调以补脾为主兼以治肺,以期脾实而肺金有养,皮毛有卫,以入之邪易出而后来之邪无以入,咳嗽止矣。再则健脾益气,痰消咳止。脾为后天之本,主运化水谷和水液, Cough in children more common in children with bronchitis and pneumonia later, clinically cough, sputum-based disease is the main cause of infantile skin soft, thin fences, Wei outside the body is not solid, combined with its own cold and warm I do not know self-control, easily for both inside and outside the Evils invasion, caused by loss of lung Su-sheng, lung upside cough; and lungs for the gold dirty, spleen acquired, the source of qi and blood biochemistry, so the spleen is scattered scattered in the lungs, irrigation on all sides. Where external evil injury lungs or lung emptiness into the cough, are emphasized in order to spleen-based and to rule the lungs, spleen and lung gold in order to raise, fur and Wei, to the evil out of the evil afterwards To enter, cough only carry on. Then spleen Qi, phlegm Xia only. Spleen is acquired, the main transport of water Valley and water,