The utility model provides a food waste disposer's of institutional advancement bull ring, including the bull ring body, many gib blocks and many lapping sticks, the lapping stick is including the first lapping stick of interval setting in proper order, the second lapping stick, the third lapping stick, fourth lapping stick and the 5th lapping stick, the gib block, first lapping stick, the horizontal axis homogeneous phase of third lapping stick and fourth lapping stick sets up the radial axis slope of bull ring body, and the horizontal axis of gib block parallels with the horizontal axis of first lapping stick, the horizontal axis of third lapping stick parallels with the horizontal axis of fourth lapping stick, the horizontal axis of first lapping stick sets up with the horizontal axis symmetry of the relative second lapping stick of horizontal axis of third lapping stick, the horizontal axis of second lapping stick and the horizontal axis of the 5th lapping stick are all coincident mutually with the radial axis of bull ring body, and the transversal isosceles trapezoid that personally submits of the 5th lapping stick. Beneficial effect lies in: compact, the crushing efficiency of simple structure is good, the difficult jam.