With 12-year old apple tree as materials,the control effect of Carbendazim Zhongshengmycin 53% WP on controlling apple ring rot and the safety of Carbendazim Zhongshengmycin 53% WP to apple tree growth were evaluated,the field efficacy test by field plot experiment were conducted.The results showed that control effect was significant and the control efficacy of 1 000~2 000 times liquid to harvesting time was about 80%~90%,to storage period of 30 days was over 82%.