脑包虫在我省较常见，但巨大脑包虫实属少见。我院最近收住一例，现报告如下。１　病例资料患儿，女性，１０岁，青海籍，汉族。常生活在牧区，有牛羊接触史。发病前２个月无明显诱因出现右侧肢体肌力减退，握拳困难，右手端腕颤抖无力，行走不稳，向右侧倾倒，偶有头晕头痛， Brain hydatid more common in our province, but the huge brain hydatid is rare. Our hospital recently admitted a case, the report is as follows. 1 case data children, women, 10 years old, Qinghai membership, Han nationality. Often living in pastoral areas, history of exposure to cattle and sheep. 2 months before onset there is no obvious incentive to appear on the right limb muscle weakness, difficulty in making fists, right wrist shivering, walking unstable, dumping to the right, occasional dizziness and headache,