This research is aimed at explaining the form of language interferences in bukalapak advertisement edisi during January - July 2017. This research used descriptive qualitative method through sociolinguistics approach. The object of the research were the utterances in the Bukalapak advertisement which display by official youtube during Januari up to July 2017. https://www.ngetikin.com/quick-sale-Korpskaft-Hultafors-great-choice/