Guan Xiaotong is a Chinese actress and singer of Manchu descent. She is known for her roles in films The Left Ear and Shadow; and the television series To Be a Better Man. From an early age, her family encouraged a passion for the arts, and she first starred in Nuan at the age of four. Forbes China listed Guan under their Asia 2017 list which consisted of 30 influential people under 30 years old who have had a substantial effect in their fields.

The Left Ear is a 2015 Chinese coming of age film directed by Alec Su. It is Su's directorial debut, and based upon the novel of the same name by Rao Xueman. Rao also wrote the film's screenplay. Filming completed and went into post production in November 2014, and was slated for release on April 30, 2015 but was moved forward to April 24, 2015.