Abstract: Because that coordinated charging of electric vehicles can realize load shifting, an optimized control strategy of coordinated charging for time of use(TOU) power price time period by considering V2G user reactivity is presented in this paper. Firstly, the charging load of electric vehicle is obtained by Monte Carlo simulation, based on which an optimization coordinated charging model is built without and with considering the user response degree. In the former model, the optimization variables are valley price periods, and the objective function is load curve variance of distribution network. In the latter model, the optimization variables are valley price periods range and peak valley power price, and the objective functions are comprehensive consideration of the influence of electric vehicle on load curve variance of distribution network and user satisfaction. The results of case studies show that both strategies can improve the system operation security, while the strategy by considering V2G reactivity can reflect the actual situation better.