This study is aimed at investigating the types of code mixing used in the commercial advertisement in the newspaper and the influence of the used of code mixing in commercial advertisement appear toward the development of language learning. The study used descriptive study for retaining the holistic and meaningful characteristic of real life event. The population was all the commercial advertisements on several newspapers which consist of 30 commercial advertisement and took fifteen commercial advertisements as the sample. The instruments used to collect the data were newspaper advertisements by using content analysis as the technique to analyze the data and questionnaire used to get the influence the code mixing toward the language learning. Actually, the result showed that code mixing is one of a number of the linguistic manifestations of language contact and mixing. It shows that there were three types of code mixing; situational switching, metaphorical switching, and conversational switching. Accordingly, there were some kind of code mixing including emblematic, intra- sentential, inter-sentential, and intra-lexical code mixing. In conclusion, the most types of code mixing used in the newspaper was inter-sentential code mixing which the percentage 86%, and intra-sentential as the second findings which the percentage was 13%, and the last emblematic which the percentage was 1%. In addition, the suggestion of this study was aimed at investigating the application of code mixing in education field and also the other researcher to repair the study more perfect.