Abstract: The paper aims to clarify the species and occurrence of the insect pests and their natural enemies on Qiongzhong green orange, provide a basis for formulating insect pest management strategy. Investigation about insect pests and natural enemies on Qiongzhong green orange was carried out from December 2014 to September 2017 by using the methods such as caught by nets, reconnaissance, collected by hands, branches shaking, trap lamps and sticky traps. The results demonstrated that there were 69 species of insect pests on Qiongzhong green orange, which belonged to 33 families and 9 orders, and Diaphorina citri, Phyllocnistis citrella, mites, longicorn, looper and papilio were the main insect pests. There were 19 species of natural enemies to the insect pests on Qiongzhong green orange，belonging to 11 families and 8 orders, spiders and ladybird were the main predators, when most of the hymenopterous parasitoids were collected from lepidopterous insects.