The utility model discloses a mobile sound barrier for noise control of an energy storage power plant, which comprises a sound absorption plate, a base support and a rolling assembly, the base supportis arranged on the rolling assembly, and the rolling support is fixedly connected with the rolling assembly; the sound absorption plate is arranged at the upper part of the base bracket; the centralaxis of the sound absorption plate is collinear with the central line of the short edge of the base bracket; the acoustic board is fixedly connected with the base bracket; the sound barrier has the advantages that noise hazards can be effectively reduced when production personnel of an energy storage power plant work in a noise area for a long time, the mechanical maintenance efficiency can be improved, and the sound environment for maintenance can be improved.