声门下血管瘤（SGH）是婴儿气道最常见的新生物，它引起进行性气道阻塞，未经治疗时有30～70％的死亡率。该文报告31例。喘鸣和格鲁布咳嗽，开始的平均年龄是77土13．5周（范围0～78周），最多出现的症状是喘鸣，28／31（90．3％），其中双向喘鸣25／31（80．6％），仅吸气喘鸣 Subglottic hemangiomas (SGH), the most common neonatal organ in the infant’s airways, cause progressive airway obstruction, with 30 to 70% of death rates untreated. The article reports 31 cases. Wheezing and Grubb coughing, the mean age at onset was 77 ± 13.5 weeks (range, 0-78 weeks) and the most frequent symptom was wheezing, 28 of 31 (90.3%), with two-way wheezing 25 /31(80.6%), breathing only wheezing