文档介绍：Abstract ically modified food isa kind of food that people apply modern molecular biotechnology, transfer some biological gene to other species, transform the ic material of living things. Through the application of biotechnology, a broad and significant increase of food production can be happily seen at global agricultural production. This essay tells readers the basic knowledge of the GMF and discusses the GMF ina critical GMF can help to solve the food shortage problem,and it also can create new it brings usa lot of benefits,it also leads to many safety problems. Firstly,The potential for GM foods to cause allergic reactions is the most obvious health concern associated with these ,although in developed countries like American the law of the GMF plicated, the new grain law have same more rigorous rules in China and other developing countries. And the GMF still has some safety problems unseen. we argue that the ically modified technology can bring more advantage and less disadvantage to us if it is used appropriate and , it is essential to have a critical attitude toward GMF until it is proved that the GMF is no harm to our essay can help readers to know the GMF critically. K ey Words: transgenic technology ;ically modified food ;food shortage;safety Introduction In biology class in high school,we first got