牛链球菌引起的败血症和心内膜炎较常见,和腐生葡萄球菌混合感染者少见,现报告1例。男,5个月。因皮肤黄染3个半月、发热咳嗽7天,以婴儿肝炎综合征,支气管肺炎入院。体温38℃,皮肤、巩膜黄染。二肺散在干湿性罗音,心脏正常。肝脏肋 Streptococcus pneumoniae caused by sepsis and endocarditis are more common, and saprophytic Staphylococcus mixed infection are rare, is reported in 1 case. Male, 5 months. Due to yellow skin dye 3 and a half months, cough fever 7 days to infantile hepatitis syndrome, bronchial pneumonia admission. Body temperature 38 ℃, skin, sclera yellow dye. Two lung scattered wet and dry rales, the heart is normal. Liver ribs