The invention discloses a detachable supporting frame of a steel column embedded part. The detachable supporting frame comprises square structures consisting of transverse rods and longitudinal rods, wherein four corners of the square structures on the upper layer and the lower layer are connected through vertical rods respectively; the lower parts of the vertical rods are connected with threaded rods; a pedestal is arranged at the bottoms of the threaded rods; the square structure on the upper layer is provided with an embedded part fixing plate; and a plurality of embedded parts are fixedly arranged on the embedded part fixing plate. According to the detachable supporting frame, a plurality of embedded parts can be integrally embedded, the machining and manufacturing are simple, the manufacturing cost is low, and the detachable supporting frame can be repeatedly recycled between projects.