本文报告当地哈萨克族(哈族,315例)、汉族(453例)768例正常新生儿娩出后48小时内的外周血象检验结果。1.对象及方法:选择母孕期无影响新生儿的严重疾病;胎龄≥37周;单胎、活产、新生儿出生体重≥2500克、无先天畸形、无青紫、苍白、黄疸、出血;父母民族相同者为研究对象。于胎儿娩出后24小时内,最迟不超过48小时(平均14.12±10.08小时(完成外周血象检验工作。血液标本取自新生儿足跟。RBC、WBC计数及Hb测定用CD-900型血液细胞计数仪,WBC分类及BPC计数(草酸铵稀释液法)在光镜下 This article reports the results of peripheral blood test within 48 hours after the delivery of 768 normal newborns from Kazak nationality (Ha ethnic group, 315 cases) and Han nationality (453 cases). 1 object and methods: select the mother during pregnancy without serious impact on newborns; gestational age ≥37 weeks; single birth, live birth, birth weight ≥2500 grams, no congenital malformations, no cyanosis, pale, jaundice, bleeding; The same parents and ethnic groups for the study. Within 24 hours after the delivery of the fetus, no later than 48 hours (average 14.12 ± 10.08 hours) (Peripheral blood tests were completed. Blood samples were taken from neonatal heel.) RBC, WBC count and Hb assay CD-900 type blood cells Counter, WBC classification and BPC counting (ammonium oxalate dilution method) under light microscope