With the development of distributed generation by new energy, it extended the type of using energy and eased the energy shortage. But the absorption problem of gridconnecting of new energy is still not solved effectively. Affected by weather, the fluctuation of the output of the new energy will be harmful to the stability of grid. This paper provides a method of load auto matching system which can adjust loads through opening or closing heaters, following the running condition of new energy system and loads. It is aimed to solve the absorption problem and increase the stability for the microgrid consisted of new energy in island or remote area.