Gradual integration of synergetic technology, P2P technology and online learning community furnishes a new research field for innovation of teacher training model in a knowledge economy era. This article proposes the innovative model of "whole of three lines" in teacher training in basic education from the perspective of "blended learning" and specific security policies for effective running of the teacher training model of "whole of three lines", which offers a brand-new training model for basic education teachers and offers theoretical support and methodology guidance for the government sections and training institutions to make a training decision.