Conjunction is a word for connecting words, phrases, clauses, or sentences. Conjunction is used to make a sentence which having the cohesion and coherence in text. The absence of the right conjunction will result in having illogical meaning, and the message tends to be vague. Because of the important role of conjunctions in the writing process, this study aims to reveal the students’ common errors on the use of conjunction in their writing, and investigate types of errors that occur most frequently in students’ writing. The researcher limited the problem in this study that is only discussed about an error analysis on the use of adversative (but), additive (and, or), and causal (because, so) in students’ writing. This research used quantitative research methodology, and to be more specific the researcher used error analysis as a method. This research took place in English Education Department of Universitas Muhammadiyah Yogyakarta with the respondent from students in academic year 2015/2016. To collect the data the researcher used document analyses. There were 140 recount texts that were analyzed by the researcher. The researcher also used SPSS to analyze the data. The result of this research showed that from the most to the least frequent common errors on the use of conjunction in students’ writing were conjunction and, followed by but, so, because, and or. Also, from the most to the least frequent types of error that occured in the texts were misuse of conjunction, followed by omission, redundant repetition, and unnecessary addition.