This study is conducted to analyse code-switching that happen in the movie “Luca”, which is a most streamed movie in 2021. There are two research questions of this study, which are what are the types of code switching used in the movie? And what are the functions of the code-switching used in the movie? The qualitative method is used in this study. To collect the data, researcher will search the movie and movie’s script on the internet. After collecting the data, researcher will watch the movie while read the script. Then, searching the meaning of each code-switching, and grouping the types and functions.  The most frequent code-switching type used are inter-sentential and tag-switching, which are 39,72% and 20,56%. There are 4 types of code-switching used in the movie, which are referential, directive, expressive, and phatic function. The most frequent code-switching function used is directive, which is 38,35%.