This reuseReuse of the same song in different films is a common phenomenon but has rarely been studied academically. It can derive from the intersection of countries in the cultural industries during globalization and reflects the increasing prevalence of cross-cultural communication since the mid-twentieth century. The commonness of this phenomenon also relies on the significance of pop songsPop song in film musicFilm music. Historical reasons are on one hand, but there is also the pursuit of financial gain on the other.