Abstract: 【Objective】 To clarify whether Corythucha ciliata (Say), a new invasive sycamore lace bug in China has occurred in Xinjiang, and the morphological characteristics, distribution, occurrence, damage and control techniques of C. ciliata are described, which might provide the basis for the prevention and control of this invasive pest in Xinjiang. 【Method】 Field investigation and sampling, laboratory observation and identification, reference of relevant literature. 【Result】 C. iliate occurred and caused damage in Baren Township and Pilale Township of Aketao County and Kumusilike Township of Shule County, Xinjiang, China. And the rate of infested plants was between 7.73% and 85.00%. 【Conclusion】 C. ciliate occurred and caused damage in Xinjiang, should pay more attention to the investigation and control of the pest to prevent its further spread and outbreak.