He was the men's doubles World Champion in 2018, also two times Asian Champion in 2017 and 2018 partnered with Li Junhui.
Liu was part of the national team member that won the 2018 Asian Games, 2018 Thomas Cup and 2019 Sudirman Cup.
Together with Li, he achieved the men's doubles world number 1 in 6 April 2017, and occupied the top ranking for ten weeks.
His sister, Liu Jing, is a swimmer.