Abstract: The sex pheromone confusion experiment in the control of oriental fruit moth (Grapholilha moles la Busck) had been conducted in the apricot orchard of Taihengshan Baiguoshu experiment station in Yuanshi county of Hebei province from 1987 to 1988. The experiment sites were 10mu and 20mu in 1987 and 1988 respectively. Eighty bearings per mu with 200Mμg synthetic sex pheromone were used in the field tests. In the check site, pesticide was applied once every year in May for control of oriental fruit moth, no pesticide was applied in the confusion experiments area. The results showed that the rate of prevent mating was 95.5% in 1987 and 95.2% in 1988 and the rate of prevent mating of female moth was 52.5%. The attractive capability of the synthetic area was lower (24.5%) than that (44.7%) in the check area; the rate of fruit injury was 7.1% in the confusion area and 13.9% in the check area. The expenditures on wages and on the chemicals in the confusion control was 80-90% and 20%, respectively, les.s than that in the chemical control area.