The invention discloses a distributed mobile energy storage system. The distributed mobile energy storage system comprises an energy storage battery system, a battery management and control system andan energy storage converter, wherein the energy storage battery system comprises a plurality of chargeable and dischargeable battery packs; the battery management and control system is connected withthe energy storage battery system, and is used for monitoring and evaluating the operating state of the energy storage battery system and protecting the energy storage battery system according to theoperating state, and the battery management and control system is further used for transmitting the information of the operating state to a power distribution network; the energy storage converter isconnected between the energy storage battery system and the power distribution network and is used for realizing alternating current and direct current energy conversion between the power distribution network and the energy storage battery system and the charge-discharge control of the energy storage battery system, and the energy storage converter is further used for receiving a coordination control command from the power distribution network and carrying out unified coordination control on the energy storage battery system according to the coordination control command.