The intrapulmonary teratoma is an extremely tumor. This paper reports a case of int-rapulmonary teratoma located in the right upper and middle lobes of the lung in a 16-years-old male patient. The initial symptoms were right chest pain and coughing. Chest X-ray revealed huge soft tissue mass density in the right lower lung field. Right upper and middle lobectomy with resection of invaded pericardium was done. The gross and microscopic findings of res-ected specimen revealed characteristic findings of the intrapulmonary teratoma. The patient was recovered uneventually. We would like to describe this case of rare tumor with the review of literatures.