Haixing County is a county of southeastern Hebei province, China, bordering Shandong to the southeast. It is administered by Cangzhou City, and, as of 2020, had a population of 189,273 residing in an area of 836 km2 (323 sq mi). Both G18 Rongcheng–Wuhai Expressway and G25 Changchun–Shenzhen Expressway pass through the county.