The patent is concerned with the following formula shown as benzoylurea derivative: C6H3X1.X2-CONH.CNNH-C6H3Y1.Y2.Y3.Y4.Y5. where X1 and X2 are hydrogen, halogen, alkyl or alkoxyl, and one of Y1, Y2, Y3, Y4 and Y5 is alkylsulfinyl halide or alkylsulfonyl halide, the remainding are hydrogen, halogen or alkyl. Showing excellently insecticidal and egg-killing activity (especially, skin-stripping inhibitory activity) and its production and applicaton.