本文报告了在甘肃及青海地区发观的七例皮下蝇蛆病。甘肃省发现病人的甘南藏族自治州的碌曲、以及临夏、天祝等地区,为畜牧区或接近畜牧区,可以看出:蝇蛆病並不少见。对纹皮蝇第一期幼虫的形态作了简单描述,並对七例蝇蛆病患者的发病规律,做了讨论。 This article reports on the seven cases of subcutaneous myiasis in Gansu and Qinghai Provinces. The discovery of patients in Gannan Tibetan Autonomous Prefecture of Luqu in Gansu Province, as well as Linxia, ​​Tianzhu and other areas, for the pastoral areas or close to the livestock area, we can see: myiasis is not uncommon. The morphological changes of the first stage larvae of Pieris rapae were briefly described, and the pathogenesis of myiasis in seven cases was discussed.