This research focuses on code-mixing because the researcher is interested in how
speakers use code-mixing to express cultural and linguistic diversity in daily
conversations. The aims of this research are to identify the types and to discribe the
function of code-mixing by Cinta Laura in Daniel Mananta’s YouTube channel.
Then, by analyzing the types and functions of code-mixing used, the researcher can
understand how these linguistic strategies were used to meet different
communicative purposes. In this, the researcher uses the qualitative research
method. The instruments in this research are the researcher as first instrument, the
video as the second instrument, and the table. The result of this research are based
on Muysken theory, based on the theory the types are Insertion, Alternation,
Congruent Lexicalization, and the function are Identity Marking, Strategy of
Neutrality, Stylistic Function, and Socio-Expressive. In the result of the analysis,
there are total 82 of types of code-mixing, and 106 of function of code-mixing. The
detail and percentage of types are 50 (60%) Insertion, 15 (19%) Alternation, and 17
(21%) Congruent Lexicalization, and function are 28 (26%) Identity Marking, 21
(22%) Strategy of Neutralitiy, 40 (38%) Stylistic function, and 15 (14%) SocioExpressive