1980年10月～1981年6月,我们对南宁市部分工厂、机关、学校、林场、居民等32个单位12岁以下3953名健康小儿做了周围血红细胞计数及血红蛋白测定。一、资料、方法与结果调查对象:托儿所儿童占46.1％,学生占53.9％,全部为经本院保健科体检过的健康儿童。采样一般均在上午7.30～9.00,采无名指血(第一滴拭 From October 1980 to June 1981, we measured the peripheral blood red blood cell count and hemoglobin of 3953 healthy children under 12 years old from 32 factories, offices, institutions, schools, forestry farms and residents in Nanning City. I. Data, Methods and Results Subjects: 46.1% of nursery children, 53.9% of students, all healthy children who have undergone physical examination in our health department. Sampling generally in the morning 7.30 ~ 9.00, collecting ring finger blood (the first drop of swab