Abstract :
The core of the article is about agent-based on-line collaborative learning environment. Two central contents were stated. The first one is the area of agent-based collaborative learning. These were interpreted from the functions of four types of agent. The second one is how to do in the agent-based collaborative learning environment online. The content were expatiated by 6 steps, including logging on, dividing groups, assigning tasks, gathering learners´ productions, and evaluation.