[Aim]  To clarify the economic threshold for the chemical control of Halyomorpha halys in kiwifruit orchards. [Methods]  Field caging experiments were conducted to investigate the rate of damage to kiwifruit at different population densities of H. halys, after which, the economic threshold for controlling H. halys in kiwifruit orchards was calculated based on laboratory pesticides bioassays and commonly used pesticides in orchards. [Results]  Under different densities of adult and nymph H. halys (0, 2, 4, 6, 8, 10 per unit), the damage rate of kiwifruit fruits showed significant differences (nymphs: Wald χ² = 173.433, P < 0.001; adults: Wald χ² = 220.432, P < 0.001). The economic injury levels for adult H. halys treated with 2.5% dinotefuran and 3% cyfluthrin were 1.22% and 1.83%, respectively, and the corresponding values for nymphs were 1.22% and 1.62%, respectively. The corresponding economic thresholds were 9.59 and 12.05 adults, and 9.11 and 10.59 nymphs, per 100 fruits. [Conclusion]  Maximum economic benefit can be achieved by applying pesticides such as 2.5% dinotefuran or 3% cyfluthrin when the number of adult or nymph H. halys reaches 9 individuals per 100 kiwifruit fruits.