The film
Wang Bianlian is an aging street performer known as the King of Mask for his mastery of Sichuan Change Art in a true story. His wife left him with and infant son over 30 years ago. The son died from illness at age 10. This left Wang a melancholy loner aching for a male descendent to learn his rare and dying art.
Synopsis from TMDB.
The name
Also in The King of Masks
Elsewhere on screen, Division