Abstract: In the movie The Only Love Letter of When Beijing Comes across Seattle, the director XUE Xiao-lu has placed space in an important position in narration. She has constructed the story with Macao, America and Britain as the three dimensions. The corresponding three-dimensional space of narration has formed. The three narrative dimensional spaces are independent, but interconnected. The movie's employment of spatial narrative factors has revealed the director Xue Xiao-lu's oustanding story construction ability and narrative technique.