How many movies have Hsia Chiang and Hsiao Hou Tao acted in together?

They have worked on 4 movies together! Their first movie together was Sacrifice to Desolate Spirits (1980) while their highest rated movie together was Papa, Can You Hear Me Sing? (1983). They have not worked together since Myth of a City (1985). They are most known for their drama films together.