The controversy on the safety of transgenetic foods has continued to be debated from the beginning.Generally speaking, there is no accurate evidence to prove and indicate the transgenetic foods are absolutely dangerous or safe for the human life. Therefore, how to regard and treat the transgenetic foods has become the concerned issue for national people and food enterprises. This paper, based on analysing the harms upon environment, agriculture and biodiversity caused by the production and sale condition of the transgenetic foods, intends to tell consumers how to face the commercialization and internationalization of transgenetic foods.