Although people have knowledge but most of them are lack of interaction to communicate with people from different national and bring about to the uncertainly decrease insolvable of communication. The main aspect that we should consider as much as possible when the cross-cultural have occurred is the ability of understanding of communication. According to the problems in communication of American who live in Japan, the cultural of America and Japan are differentially, so these made the difficult to communication. The different of race is one of the factors that control the cross-cultural communication and people from another culture should prepare the different and the diversity of culture.