Pesticide synergist is very important in pesticide processing additives,and pesticides improved-pests to use,which can improve the effect of pesticides and reduce the medical cost and pesticide resistance with the use of pesticides improved-pests. Biological pesticide synergist is different from the chemical pesticide synergist,which is not only low toxicity,biodegradability,but also synergistic effect is superior to chemical pesticide synergist. It will play an important role in pesticide processing,and its application will be used more widely than chemical pesticide synergist. In this paper,the synergistic mechanism was explored about the biological pesticide,the several kinds of new type green pesticide synergist application progress in pesticide,fungicide and herbicide were reported,and the prospect of biological pesticide synergist was put forward.%农药增效剂是农药加工中十分重要的助剂[1]，与农药混配使用，能提高杀虫效果，降低用药成本，减缓农药抗性，减少环境污染[2]。生物农药增效剂[3]有别于化学农药增效剂，不但低毒、可生物降解，而且增效效果还优于化学农药增效剂，将在农药加工中扮演重要的角色，其应用将比化学农药增效剂的应用更加广泛。该文对生物农药增效机理进行探索，报道了几种新型绿色农药增效剂在杀虫剂、杀菌剂、除草剂等方面的应用进展，并提出了生物农药增效剂的展望。
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