In 2018, Liu won team gold at the Jakarta Asian Games, finishing 16th in floor exercise, 22nd on vault and 45th in individual all-around. At the Melbourne World Cup, she finished fifth on vault. At the Doha World Cup, she was fifth on vault and ninth in floor exercise. At the Doha World Championships, she won team bronze - alongside Chen Yile, Liu Tingting, Luo Huan and Zhang Jin - and finished sixth on vault.