Lifelong education will be main idea and the principle of the education reform in the future. It is also the characteristic of the educational development in twenty first century. Moreover, how to lead all the people to achieve the goals of recognition, affection and adeptness of the lifelong learning would depend on the promotion of the library education. Let the library information accompanies people from young to old ages, and to assist them in the lifelong learning. This article describes the demand and the characteristic of current lifelong learning and the key and the trend of lifelong learning in the world now. Besides, it especially emphasizes that library plays the vital function and role in the lifelong learning and explains the using of library education course of direction "learning how to learn". It also offers ten types of education methods which not only strengthen the effectiveness of directing lifelong learning by using library but also suggest to construct a lifelong learning society via the integration of the resource, services and system of lifelong learning to face the challenge to exploiting and the demand of the future.