Task-Oriented Internet Assisted English Teaching and Learning (TIAETL) is a new English teaching and learning model which integrates the Internet-assisted and task-oriented teaching. This article analyzed the worldwide tendency of English teaching and prerequisites for TIAETL in colleges. The TIAETL has the following advantages: student-centeredness, convenience and flexibility, communicativeness and applicability, informativeness, comprehensiveness and motivation. In the TIAETL, human factor, technology and facility factor, and internet activity determine the success of TIAETL. The commonly-used internet activities include browsing the Internet, emailing, chatting, blogging, and so on. In the form of accomplishing Net tasks, students develop their English listening, speaking, reading, writing, translation and raise crosscultural awareness through the Internet. Finally the article expounded the implementation of TIAETL in detail from the aspects of preparation, learning resources, task, time, check and evaluation. It's expected that this article arouses the interest in the researches on and practice of TIAETL in foreign language education and thus promotes English teaching and learning.