包虫病在我国西北、华北以及西南一些地区是一种常见病和多发病。儿童由于生理解剖上的特点,其临床表现及病理经过与成人并不完全相同。儿童接触羊狗机会较多,加之卫生习惯也差,所以增加了误食虫卵而遭受感染的机会,这就是人类包虫病大部分病例受染于儿童期至成年后才出现症状的原 Echinococcosis is a common disease and frequently-occurring disease in northwestern China, northern China and some areas in southwest China. Due to physiological and anatomical characteristics of children, their clinical manifestations and pathological changes are not exactly the same with adults. Children have more access to sheep and dogs, coupled with poor health habits, so increasing the chances of infestation of eggs and infection, which is the majority of human echinococcosis infected children from childhood to adulthood before the symptoms