Language Interference to arabic language learners in Indonesia is a common phenomenon. Although the phenomenon is normal, but it is a problematic. Because each language has rules of each rule. It has been found forms of Indonesian interference into Arabic in the MAN Batu's students. The purpose of this study was to analyze the forms of interference Indonesian into Arabic in the students MAN Batu, uncover the causes of interference Languages Indonesisa into Arabic in the MAN Batu's students, and analyze solutions to the problem of interference Indonesian to Arabic in student writing MAN Batu. This study used a qualitative descriptive study, and the data collection with analysis of documentation and interviews. Source data is written documentation of students and teachers of Arabic. In this study, researcher found other forms of interference Indonesian into Arabic at the level of syntax, morphology and semantics. The causes interference Indonesian into Arabic in the MAN Batu's students that there is a cause intralinguistics and causes interlinguistics. The solution to the problem of interference is tahlil taqobuli and plenty of exercise in the writing.