The embodiment of the invention provides a microgrid system. The microgrid system comprises: a plurality of microgrid subsystems; each microgrid subsystem comprises a direct current microgrid and at least two flexible substations; each flexible substation comprises: a high voltage alternating current system, a high voltage direct current system, and a low voltage direct current system, wherein thehigh voltage alternating current system and the high voltage direct current system are connected, the high voltage direct current system and the low voltage direct current system are connected, and the high voltage alternating current system and the low voltage direct current system are connected; each direct current microgrid includes: a high voltage direct current bus and a low voltage direct current bus; the plurality of microgrid subsystems are interconnected into a loop by the high voltage direct current buses; the high voltage direct current buses are connected to the high voltage direct current systems; and the low voltage direct current systems of the flexible substations in the microgrid subsystems are connected through the low voltage direct buses. Load transfer and looped network current equalization can be ensured, and the continuous power supply capability of the distribution network is ensured.