The invention discloses a movable type full coverage shield hobbing cutter wear monitoring device comprising a work platform, a monitoring mechanism, an electronic circuit board and a strong magnet mounted on an outer edge of a cutter body of a hobbing cutter, wherein the monitoring mechanism is arranged on one side, positioned close to the hobbing cutter, of the work platform; the electronic circuit board is arranged on one side, positioned far away from the hobbing cutter, of the work platform; a hobbing cutter box panel is provided with a hobbing cutter box panel via hole, a guide rail anda motor are mounted on the work platform, and a sliding platform is arranged on the guide rail in a sleeving manner; the monitoring mechanism comprises a hobbing cutter wear monitoring mechanism, a hobbing cutter rotation monitoring mechanism and a limiting mechanism; a microcontroller is integrated on an electronic circuit board, and a battery and a wireless emission device are mounted on a sideof the electronic circuit board; a nonmetal protection cover is mounted on one side, positioned close to the hobbing cutter, of the hobbing cutter box panel; a metal protection shell is mounted on oneside, positioned far away from the hobbing cutter, of the hobbing cutter box panel. The movable type full coverage shield hobbing cutter wear monitoring device is novel in design, hobbing cutter rotation can be effectively monitored in real time, shield hobbing cutter wear shield hobbing cutter wear monitoring can be realized, and forceful guarantee can be provided for grasping comprehensive hobbing cutter wear conditions.