Search "The long march chinese movie" on Youtube. You'll find a few.
I watched a few minutes of one such movies, but the movie felt too different from what I am accustumed to so I stopped watching it.
The Battle of Lake Changjin has Mao in it, but is not specifically about Mao
I think that’s the highest grossing movie in China. I gotta watch it sometime.
My favorite one is "March Against Japan"
Its not actually about Mao, but it is about a KMT soldier who gets rescued from a Japaneese prison camp by Communists and joins them to save his village from the Japaneese
There's a really good movie called "古田军号"（Gutian's bugle）However, I don't know if anyone has translated it.
Age of Awakening: Not a movie but a television series showing the establishment of modern China. Has young Mao in it. Is good if you want a good historical recount of how and why modern China was established.
Mao Zedong 1949 is a very high quality film.
matrix: it's a metaphor or protracted people war, neo is mao (coincidence?), agent smith is imperialism, and the matrix is the west propaganda
Chairman mao’s battle of words saves the revolution
