The invention relates to a special mobile workshop for an electric power system. The special mobile workshop comprises a standard container body, wherein the front, back, left and right container walls are opening door leaves, and a multi-functional power device processing platform is arranged in the middle of the inner chamber of the container body; and a distribution box is arranged at one side of the container body. The invention is designed based on the traditional standard container according to the traditional installation and maintenance needs of transmission and distribution equipment. Firstly, the shape of the mobile workshop is the standard container, therefore, the lifting, transportation and placement are very convenient. Secondly, the container body walls of four surfaces are opening door leaves, therefore, the processing problems of equipment fittings, iron pieces, wire clamps and too long copper aluminum busbars frequently encountered in construction and maintenance of a power grid are solved. The special mobile workshop has the advantages of high standardized operating degree, standardized power grid construction and repair construction operation, low project cost and repair cost and the like.