包虫病在我区为常见多发病，发生在肝脏及肺部者居多．曾有发生在隔肌上的报道，而发生在胸膜上者尚属罕见。现将我院经手术及病理证实的1例左侧脏层胸膜包虫病报告如下。患者男性，21岁，藏族农民。住院号0434。三个多月以来双侧腰背部疼痛，咳时左胸隐痛，10天前因感冒上述症 Hydatid disease in our area as a common disease, mostly in the liver and lungs. Occurred in the diaphragm on the report, while occurred in the pleura is still rare. Now our hospital was confirmed by surgery and pathology of the left one case of visceral pleural hydatid disease reported below. Male patient, 21 years old, Tibetan farmer. Hospital number 0434. More than three months since the bilateral back pain, cough left chest pain, 10 days ago due to flu the above symptoms