The results showed that the quantity of insects lured by single solar double-wave trapping light of 8~18W gradually increased with the lamp power. In rice pests such as Naranga aenescens Moore, Sesamia inferens Walker, Chilo supressalis Walker, Cnaphalocrocis medinalis （Guenee）and Nephotettix cincticeps Uhler and so on, the trapping peak times were obvious, the early warning function were strong. The effective control distance to Naranga aenescens Moore, Cnaphalocrocis medinalis （Guenee） and rice planthopper in the rice field were about 50 m, 30 m and 20 m respectively. Compared with far light district, the quantity of insect near light district reduced by more than 30%.