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实验方法:将112只雄性ddY小鼠分为6组,麻醉后将耳镜插入口腔至气管、食管分叉处。组1(18只)分2次注入磷酸缓冲生理盐水(PBS)0.03ml;组2(20只)注入5×10~7cfu/ml肺炎链球菌和PBS;组3(13只)注入等量的人胃液和PBS;组4(27只)注入5×10~7cfu/ml的肺炎链球菌和人胃液;组5(21只)注入5×10~7cfu/ml肺炎链球菌和人胃液,在注入前4周,给予清肺汤丸剂(人常用量的5～6倍);组6(13只)注入5×
Experimental method: 112 male ddY mice were divided into 6 groups. After anesthesia, the otoscope was inserted into the oral cavity to the trachea and esophageal bifurcation. Group 1 (18 rats) was injected with phosphate buffered saline (PBS) 0.03ml twice; Group 2 (20 rats) were injected with 5x10-7cfu/ml of S. pneumoniae and PBS; group 3 (13 rats) were injected with equal amounts of Human gastric juice and PBS; Group 4 (27 mice) injected 5×10-7 cfu/ml of S. pneumoniae and human gastric juice; Group 5 (21 rats) injected 5×10-7 cfu/ml of S. pneumoniae and human gastric juice and injected In the first 4 weeks, give Qingfei Tang Pills (5-6 times the amount used by humans); Group 6 (13 mice) inject 5 ×