Communication is a process in which human cannot be separated from the journey of human life, and no one in this world who do not communicate. Communication is not hampered even though the distances have separated ethnic differences and also very different languages, people still do communications. Learning is a process of communication, what would happen if the teaching applies to people having different languages and nations. The research question in this article is how the communication barriers in foreign students teaching. The method of this research used method qualitative, through observation and experience during the teaching to foreign students. The research results generated during explained in the class, that the communication barriers to foreign students caused to cultural issue, intonation, manner of speaking and understanding different. The languages have differences because it is nation