母乳不仅是乳儿最好的养料，而且乳中还含有多种免疫球蛋白和细胞因子［2，3］，对乳地免疫力有增强作用。笔者作了母乳白细胞计数及分类，现报告于下。1材料与方法：1996年8月至1997年8月，在宁波市第一医院、第三医院住院分娩的产妇40入，每例分别取初乳、移行乳、成熟乳标本 Breast milk is not only the best nourishment for babies, but also contains a variety of immunoglobulins and cytokines in milk [2,3], which enhances the immune system of milk. I made a mother’s white blood cell count and classification, the report is now under. 1 Materials and Methods: August 1996 to August 1997, the first hospital in Ningbo City, the third hospital 40 mothers hospital delivery, each case were taken colostrum, milk transition, mature milk samples