High-tech Is A Double-edged Sword As is known to all, high technology has changed our life greatly in the century. High technology impacts our life in many fields, such as in production, medical care, domain of life, cloning and so on. However ,high-tech is a “Double-edged sword”, it has advantage and disadvantage. For example ,high-tech brings us to an information age .Internet changes our life style. And now, we can use E-mail to communicate with each other rather than write a letter. It saves time and avoids geographical constraints. Also ,by virtue of the high-tech ,many factories have the opportunity to realize modernization. In addition , the transgenic technology has changed the quality of many products. Famers can plant the strawberry three times large than before. And the production of rice which has been dealt with high-tech has improved than that hasn’t. While ,high-tech is critical in some fields, especially in cloning. When it comes to the issue of cloning ,many scientists object to clone on human being. How can you think a same person stand by your side sometime .Accord to the survey ,in spite of the superior quality, the high-tech has change the structure of its DNA, but we don’t know the character of the new species. Scientists can’t make sure whether the product has the side effect. So , facing with the unknown , we have no idea if it can bring a disaster .Else, the high-tech has improved our life step. With the fast step, people may catch the mental problem ,such as anxious , pressure and so on. In short , the high-tech has advantage and disadvantage., we should use it reasonable. We all ought to obey the legislation and morality requirement. Within the system requirement ,we use the high-tech to improve our happy life.