The synchronous class established to solve problem of small-scale incomplete schools, not only brings new demands for teachers, but also provides new perspective for their development. This article started from the demand and influence of synchronous classes to teachers, introduced the concept of practice community and expounded its significance to the development of urban and rural teachers. Then, the paper elaborated the process and method of using the practice community to promote teachers＇ development： clear common goals and create a real...
