本文报告了肺错构瘤３０例，男女之比为１．７：１，平均年龄４６．９岁，病史平均７．９个月。４０％的病人无症状，其他病人临床症状少而轻，主要表现为咳嗽、胸痛、痰中带血和气短。Ｘ线表现为圆形、类圆型阴影，１３．３％有分叶，１０．０％有钙化。全组术前确诊率为２６．７％。本文将肺错构瘤分为三种类型：肺内型２５例占８３．４％，腔内型４例占１３．３％，多发型１例占３．３％。本文对肺错构瘤的病因、分类、诊断、鉴别诊断和治疗进行了讨论。 This article reports 30 cases of pulmonary hamartoma, with a ratio of 1.7:1 male to female, mean age 46.9 years, and an average history of 7.9 months. 40% of the patients were asymptomatic, and other patients had mild and mild clinical symptoms. The main manifestations were cough, chest pain, bloody sputum, and shortness of breath. X-rays showed a round, round-shaped shadow, 13.3% had a lobe, and 10.0% had a calcification. The preoperative diagnosis rate for the whole group was 26.7%. This article will be divided into three types of lung hamartoma: Intrapulmonary type accounted for 83.4% in 25 cases, intraluminal type in 4 cases accounted for 13.3%, 1 case of multiple hairstyles accounted for 3.3%. This article discusses the etiology, classification, diagnosis, differential diagnosis and treatment of pulmonary hamartoma.