In view of the discrepancies in teacher training and teaching practice, this paper put forward a context-adaptive teacher training model in a ubiquitous learning (u-learning) environment. The innovative model provides teachers of different subjects with adaptive and personalized learning content in a u-learning environment, implements intra- and inter-group collaboration to facilitate knowledge construction and in-depth study, and promotes reflection with the help of the supervising teacher's review and summarization. To test the effect, the mo...