随着社会科技的发展,人们的生活越来越离不开计算机、离不开网络。上网浏览、网上聊天、网上购物、收发电子邮件等,计算机的“无所不能”与日益智能化使教师和学生们越来越喜欢和依赖它。但网络在开阔了我们的视野、激活了我们的创意、更快更好地获取我们所需要的信息的时候,也产生了大量的信息“垃圾”。网络中的信息“垃圾”容易淡化中小学生的道德意识;网络中的色情、诈骗等消极内容大量出现,使中小学生在网络上有意或无意中接触到 With the development of social science and technology, people’s lives are inseparable from the computer more and more and can not be separated from the Internet. Internet browsing, online chat, online shopping, e-mail, etc., the computer’s “omnipotence” and increasing intelligence make teachers and students more and more like and rely on it. But when the web broadens our horizons, activates our ideas, and gets the information we need faster and better, it also generates a lot of information “rubbish.” Information in the network “trash ” easily dilute the moral awareness of primary and secondary students; a large number of negative content such as pornography, fraud in the network, so that primary and secondary students inadvertently exposure to the Internet