患儿，男，17天，拒奶。G1P1，胎龄39＋6，自然分娩，出生体重2900g（人工破膜，羊水Ⅰ°粪染），生后无窒息，母妊期无疾病史、眼药及接触有害物品及射线史、家族中无遗传性疾病史。生后9天因气急在外院诊断“肺炎”，抗菌治疗一周，疗效不显，仍气急、面色发组，哭闹时加重， Children, male, 17 days, refused to milk. G1P1, gestational age 39 + 6, natural childbirth, birth weight 2900g (artificial rupture of membranes, amniotic fluid Ⅰ ° fecal infection), postnatal asphyxia, no history of disease during mother’s pregnancy, eye drops and exposure to harmful substances and radiation history, History of sexual disease. 9 days after birth due to shortness of breath in the hospital diagnosis of “pneumonia”, antibacterial treatment for a week, the effect is not significant, still irritable, looking hair group, increasing when crying,