The invention provides a mounting frame. The mounting frame comprises two supporting column assemblies arranged vertically, and horizontal connecting parts, wherein the horizontal connecting parts are fixedly connected with the lower ends, close to the supporting column assemblies, of columns in the horizontal direction to form a rectangular horizontal supporting frame; all rows of supporting columns, located on the lower side of the rectangular horizontal supporting frame, of the supporting column assemblies are connected with the horizontal connecting parts correspondingly; outer frames with the height being equal to that of the supporting columns are arranged on the outer sides of all the rows of supporting columns; the connecting parts of the rectangular horizontal supporting frame which are connected vertically in the two rows of supporting columns of the rectangular horizontal supporting frame are provided with pulling type platform sliding rails correspondingly. The mounting frame provided by the invention adopts the mode that a pulling type platform and a mounting attached base are combined, the mounting problem of equipment with different types and dimensions is solved, and the mounting process is simple and convenient.