The abstract international commerce English appearance not only is the social development inevitable result, also is the English linguistics own development inevitable trend.At the beginning of the 21st century the knowledge economy beginning to appear time, international commercial English took one of English important function anomalous forms, is demonstrating its formidable vitality day by day: Its utility and the popularization are obvious.This already was a fact which did not struggle, also was one kind of encouraging phenomenon. The article through the introduction commerce English connotation, has discussed the commercial English as well as learns the commercial English in the trade domain vital role the necessity.Finally proposed commercial English the new prospect and the development new duty which faces under the future new trade situation.