How many movies have Cheng Zhi and Sang Hu collaborated on?

They have worked on 5 movies together! Their first movie together was Long Live the Mistress! (1947) while their highest rated movie together was Sorrows and Joys of a Middle-Aged Man (1949). They have not worked together since 她俩和他俩 (1979). They are most known for their comedy films together.