Abstract: The results of field plot trial indicated: 5.1% emamectin benzoate +tebufenozide WP provided a satisfaction control effect against Spdoptera exigua (Hübnet) in different vegetable fields. In tomato field, the control effect were 74.92%~94.96% in the third day with the dilution times of 850-2000 spraying in the period of egg hatching days, and it dropped in the seventh day. In Chinese cabbage field, it gave the best control effect in the fifth day, which reached 83.85%~95.52%. This product also provided a satisfaction control effect against Pieris rapae, and security to tested vegetable species. It can be used to control Spdoptera exigua (Hübnet) in the field with the dilution times of 850~1200.