Who is the little boy who bid farewell to TianTuan in Northeast China?

Song Xiaofeng. The little boy in the movie Farewell to the Northeast Sky Regiment is played by the little actor Song Xiaofeng. His role in the film is a naive, romantic, humorous and childlike boy. His name in the film is Niu Hailun. Farewell to the Northeast Mission is directed by Cui Zhijia and starred by Cui Zhijia and Song Xiaofeng. The film shows the joys and sorrows of the world through an unusual funeral, and tells the story that Fan Daming Bai, whose life is not smooth, unexpectedly accepted Niu Jianqiang's mysterious order, during which many interesting things happened and an old grudge was involved, thus conveying his thoughts on "atonement and forgiveness".