玉林市位于桂东南,属于全国农村改革试验区和沿海经济开放区,是玉林地区政治、经济和文化的中心。近年来,随着“两区”建设的深入开展,人民保健事业日益完善,在寄生虫病防治方面,也取得了可喜成绩。我们在近年的寄生虫病防治工作中发现,经过使用几代驱虫药物的防治后,尤其经过近2年大规模推广甲苯达唑药盐(下简称甲盐)普治以来,学生钩虫感染率已大幅度下降,且在较低水平,但鞭虫感染仍居高不下,已产生累积现象。1 材料与方法对5～20岁中小学生和幼儿园采用饱和盐水漂浮法进行粪检。2 结果和讨论在使用甲盐普治前的1988年,我们曾对市郊高中、初中和小学各1所进行调查,共粪检776人,钩虫、蛔虫和鞭虫的阳性率分别 Yulin City, located in southeastern Guangxi, belongs to the national rural reform pilot area and coastal economic open area, and is the political, economic and cultural center of Yulin. In recent years, with the deepening of the construction of “two areas”, people’s health care has been perfected day by day and gratifying achievements have also been made in the prevention and treatment of parasitic diseases. In the prevention and treatment of parasitic diseases in recent years, we found that after using several generations of deworming drugs for prevention and treatment, especially after nearly 2 years of large-scale promotion of mebendazole salts (hereinafter referred to as a salt) Prieness, the student hookworm infection rate Has dropped significantly, and at a low level, but whipworm infection is still high, the cumulative phenomenon has been produced. 1 Materials and Methods 5 ~ 20-year-old primary and secondary schools and kindergartens using saturated saline floating method for fecal examination. 2 Results and discussion In 1988 before the use of salt therapy, we have to the suburbs of high schools, junior high schools and primary schools to investigate a total of 776 were stool, the positive rates of hookworm, roundworm and whipworm respectively