在我国小儿疾病的发病率中,呼吸道疾病占首要地位,尤其是肺炎,不但发病率高,而且严重威胁小儿生命,所以降低小儿肺炎的发病率和死亡率就成为我们儿科医务工作者的重大使命。在肺炎的发病中,病原菌的侵袭固为其原因,但小儿机体的状态更有密切关系。教授指出,乳幼儿肺炎者营养正常的只有28%,原先有佝偻病或营养不良和渗出性素质的小儿则占72%,据氏报告,在苏联某地区过去佝偻病的发病率很 In China, the incidence of pediatric diseases, respiratory diseases, the primary status, especially pneumonia, not only the high incidence, but also a serious threat to children’s lives, so reduce the incidence of pneumonia in children and mortality has become a major mission of our pediatric medical workers . In the pathogenesis of pneumonia, the invasion of pathogenic bacteria is the reason, but the status of children’s bodies are more closely related. The professor pointed out that 28% of children with normal infant and young child pneumonia have nutrition, and 72% of children with rickets or malnutrition and exudative quality have reported that in the past in the Soviet Union, the incidence of rickets was very high