It is proposed by many experts that the focus of college English teaching should be shifted from general English to English for Specific Purposes, aiming to develop students’ ability to use English as a tool. Since EST is the most important variety of ESP, EST materials selection and exploitation has a profound impact on the approaching ESP reform. Upon investigation, this paper explores the problems in EST materials development in some colleges and universities, including inappropriate level of materials, monotonous forms, and failure to make use of the Internet learning environment. To tackle these problems, this paper puts forward a multi-dimensional EST materials framework, which is composed of graded textbooks, a multimedia CD and an Internet learning platform.