This paper presents some of the requirements to the d esign of informat ion system of a virtual enterprise. To fulfill these requirements, a reference i nfra-structure is addressed. In addition, it put forward a method for VE coordin ation information modeling by using UML which is the most advanced method in the field of object oriented system analysis and design. A specific illustrative ex ample is used to describe the application procedure of this method , and the mer its of this method are presented.