目前，我国中小学生，或自带午饭，或由学校供餐，多自备餐具。学校没有完善的洗手设备，饭前洗手一直是难于解决的问题。哈尔滨近郊某小学采用儿童从家自带湿巾，午餐前用来擦手，以代管自来水洗手。本文对这一做法的效果进行了调查。1对象与方法1．1对象选择1～2年级儿童62名 At present, primary and secondary students in our country, or bring their own lunch, or by the school meals, and more homemade utensils. Schools do not have perfect hand washing equipment, washing hands before meals is always difficult to solve. A primary school in the outskirts of Harbin uses children’s wipes from their homes to clean their hands before lunch to wash their hands with tap water. This article investigated the effectiveness of this approach. 1 objects and methods 1.1 object selection 1 to 2 grade 62 children