The investigation on the insect community of Trifolium repens lawn was carried out using the four important indexes, i.e., the sample insects amounts（S）, the richness（N）, the diversified index（H’） and the evenness index（J）.The components and succession of this community were clarified.The results showed that the insect community of Trifolium repens lawn was consisted of 43 species in 13 orders, and the main components of this community were Coleoptera and Heminoptera, and the dominant species were Stylommatophore and Bruchidae.Moreover, Araneida and Coccinellidae are the dominant species of natural enemies.Each seasons had their own features of the pests and the natural enemies in this community, especially in late of summer.The results of this study could provide scientific basis for IPM of Trifolium repens lawn.