The proposed ubiquitous computing creates a new calculation model. Ubiquitous learning based on ubiquitous computing is the trend of current study theory. This paper introduces the concept of ubiquitous learning, analyzes and summarizes its thoughts and main characteristics, constructs the model of a ubiquitous learning environment. With the guidance of constructed ubiquitous learning environment model, we design the management system for electronic course-lattice, and use the metaphor of secretary naming the management system as electronic secretary.