1. Summarize and highlight the theme of the work

2. Set off the atmosphere and express the emotion

3. The irreplaceable guiding role

2. The role of the episode in the film:

Slow down the rhythm of the film, adjust the rendering atmosphere, create the background atmosphere, and achieve the effect of deepening the visual effect. Adding fuel to the fire to the plot of the film, as a foreshadowing, foil feelings. When there is no dialogue, the episode is used as an aid to make the film avoid emptiness, but it is more powerful and rhythmic.

3/ The role of the ending song in the film:

The information often expressed in the ending song includes actors or voice actors, screenwriters or scripts, behind-the-scenes staff of TV dramas or animation original paintings and animation producers, members of related companies, organizations or people who acknowledge the ending song, singers of the ending song, etc. These are just common practices, depending on the work, there will be different situations. The situation of the ending song is the same as that of the opening song, and the song will be changed after one or two seasons. A good ending song can keep the audience's interest and even boost the popularity of film and television works, which can be described as the finishing touch.