作者等报告1例男婴,孕娠34周剖腹产,出生体重2kg,母乳喂养。经常有慢性腹泻,2个月时发生急性脱水,住院补液,有严重营养不良,试由消化遭喂养数次,均告失败;体重2,750g,血培养大肠杆菌生长,粪便有血性粘液,给予抗菌素治疗。3个月时体重降至2,700g,血红蛋白9.7g％,红细胞325万,血浆蛋白在4.1～3.5g％之间。此时仅赖静脉补充蛋 The author reported a case of a baby boy, 34 weeks of gestation caesarean section, birth weight 2kg, breastfeeding. Often chronic diarrhea, 2 months of acute dehydration, hospital rehydration, severe malnutrition, try feeding by digestion several times, have failed; weight 2,750g, blood culture E. coli growth, fecal bloody mucus, giving antibiotics treatment. At 3 months, the weight dropped to 2,700 g, 9.7 g% hemoglobin, 3.25 million erythrocytes, and 4.1 to 3.5 g% plasma proteins. At this point only the intravenous supplement of eggs