Abstract: o -metolcarb, metolcarb, p -metolcarb, 3-ethylphenyl - N -methyl carbamate, isoprocarb, Hercules 5727, β -carbaryl, xylycarb and XMC applied at 0.75 kg/hm2 showed a larvicidal activity of 75%～92% in the fie ld trials for leaf miner ( L.sativae )control.And o -metolcarb+abamectin ( combi.),metolcarb+abamectin (combi.), p -metolcarb+abamactin (combi.) and iso procard+abamactin (combi.) applied at 0.75,0.5625 and 0.375 kg/hm2 showed a control efficacy of 85%～92%. The efficacy of abamectin after 3 d was only 65% ～67% but up to 89%～91% after 7 d. The mixed formulation possesses a quick acti on, good residual performance but relatively low cost.