Firmly establish and implement the scientific concept of development, is engaged in food security work in the theory and practice necessary for researchers. Ensure food security, is the scientific concept of development people-oriented in a concrete manifestation of the core ideas and requirements. Food security in the face of the new situation and new challenges appear to be the guidance of scientific concept of development, in order to promote healthy and stable development of grain to ensure national food security. About 25% of the world each year by the mycotoxin contamination of crops, of which 2% of the food can not eat because mildew, aflatoxin is widely distributed in moldy grain, and has poisoned their large, long residual, refractory, etc. problem, a serious threat to human and animal health. Therefore, the study of aflatoxin is not only a good economic value, also has strong social significance.应该是英文