"Azalea" is a famous Chinese song composed by the famous musician Zhao Jiping and sung by Teresa Teng. This song has been used as an episode in many movies, including the following classic movies:

1. "Farewell My Concubine" (1993): At the end of the movie, Cheng Dieyi (played by Leslie Cheung) Sung "Azalea". This scene is known as one of the classic scenes in Chinese movies, and it also makes the song more famous.

2. "Wolf Warrior 2" (2017): At the beginning of the film, Leng Feng, the wolf warrior played by Wu Jing, flew a helicopter over the snowy mountains during an operation and played "Azalea Red".

3. "Detective Dee and the Dragon King of Gods" (2013): At the end of the film, Detective Dee (played by Zhao Youting) and Wu Zetian (played by Fan Bingbing) sang "Azalea".

4. "Harbin at Night" (1988): The episode "Azalea" in the film combines with the night view of Harbin's urban area to form a very refreshing and beautiful picture.

In short, no matter which movie it is in, this classic episode can shock people's hearts and cause cries of excitement.