The utility model discloses a shoe tree support frame of back group machine, the test platform comprises a support, the upper surface left end fixed mounting of frame has an operation panel, and right -hand member fixed mounting has a control treater, the right side of operation panel is fixed to be equipped with and to help the clamp splice after two sets of, and helps the fixed shoe tree that accompanies between the clamp splice after two sets of, the back group lower extreme of shoe tree is fixed helps the spacing groove after being equipped with, helps after and fixed being equipped with in the inner wall both sides of spacing groove to help the fixture block after two sets of, after help the lower extreme fixed mounting of spacing groove to have the electronic hydraulic stem of second, the utility model discloses the structure is constructed through the spacing fixed knot of multiunit who sets up and is firmly confined the shoe tree on back group machine, can in the time of the handling ease, lengthen the life of shoe tree so that the sole is hugged closely together with back group in the course of working to the sole, can the in -process of shoemaking because of the circumstances of processing error appears in the shoe tree shake, has reduced nonconforming product and has rateed, improve production efficiency.