Abstract: The interaction between the grid, virtual power plant (VPP) and internal distributed generation (DG) needs to be considered to coordinate the adjustable resources. The coordinated scheduling of DG inside is proposed to realize the best interaction based on day-ahead scheduling by analyzing the grid conditions and members’ adjustment willingness. According to grid regulation demand and response willingness, an intraday interaction mechanism is developed to get the intraday scheduling results. The simulation shows that through the intraday interaction mechanism, the VPP realizes the optimal coordination of adjustable resources among DGs to ensure the implementation of VPP schedule, and meet the regulation plan of the grid.