Abstract
This paper describes the procedures to solve language problems occurred in Caterpillar Co. Ltd, a multi-national enterprise in U. S. A. It also introduces Caterpillar fundamental English which has been compiled in the process of solving the matters. Aiming at smooth communication with non-native speakers this English establishes the distinct English description under the principle that it has less vocabulary and every word has single meaning. At present Japanese major enterprises are in the similar situation to that of Caterpillar Co. Ltd in 1971 in a sense that they sell machines or prants to overseas and industrialize there. Under this situation it mentions it mentions what kind of studies are necessary in order to solve language problems.
