The 2017 Yushan World Open was a professional ranking snooker tournament that took place between 18 and 24 September 2017 in Yushan, China. It was the fifth ranking event of the 2017/2018 season. Qualifying took place between 6–9 August in Preston. Ali Carter was the defending champion but he chose not to participate. Ding Junhui won his 13th ranking title, defeating Kyren Wilson 10–3 in the final. It was Ding's first ranking event win since the 2016 Shanghai Masters, a year earlier.