To explore the different high north of chili peppers mode, the influence of main pests with pepper and corn were mainly by intercropping with corn, chili, peanut, sunflower not counterparts, than intercropping set 10 processing, 3 replicates, randomized to design, in May 2008 in October - high north county village dragon tree bark planting experiments on biodiversity village. Results show that, compared with chili peppers data can effectively reduce insect intercropping maize, including chilli and mode of intercropping with peanuts, sunflower intercropping than the effect is good. In chili intercropping maize not counterparts, with more than A ‖ corn (2), 4 pepper with 2 (B) ‖ corn 6 rows chili, C (2) corn ‖ 8 chili, E processing (2 lines of corn ‖ 10 chili peppers) than the rate of leaf-blight (H) reduced 0.46% net for 1.80%, 1.83%, 3.53%,, for 7.93% province.and some, 14.29%, especially, 7.95%, insect control effect is the best handling E, economic benefits, the planting mode can effectively reduce the incidence of pests, suitable for local or similar place in application. Keywords: chili, Interplanting, Pests, Economic benefits