目的 :了解高校食堂蔬菜中蛔虫卵污染情况。方法 :样本经刷洗沉淀 ,用饱和盐水漂浮法检查蛔虫卵。结果 :检查的1 0种蔬菜中 ,其中 7种蔬菜发现了蛔虫卵。 2 0 0份标本中有 40份阳性 ,检出率为 2 0 % ,其中以小白菜检出率最高 ,黄瓜次之。结论 :学生在食堂就餐有感染蛔虫卵的机会 Objective: To understand the ascaris egg pollution in college canteen vegetables. Method: Samples were washed and pelleted, and the ascaris eggs were checked by saturated saline floating method. Results: Of the 10 vegetables examined, 7 of the vegetables found Ascaris eggs. Forty of the 200 specimens were positive, with a detection rate of 20%, of which the highest detection rate was in Chinese cabbage and the second was in cucumber. Conclusion: Students have the chance to infect Ascaris eggs in the cafeteria