The utility model provides a U type head assembly and disassembly tools, belongs to U type head dismounting device technical field, the technical problem that solve be provide an easy operation, keep the contact of U type head well, U type head non -deformable's U type head assembly and disassembly tools on every side, the technical scheme who adopts includes first rotatory, back shaft and first rubber pad, the internal thread is link up to inside being equipped with of a first rotatory section of thick bamboo to a first rotatory section of thick bamboo surface be equipped with with the corresponding vertical screw thread of U type head screw thread, the back shaft both ends are equipped with the external screw thread to end face centre at back shaft both ends opens has the connecting hole, a first rotatory section of thick bamboo and a back shaft end screw thread connection, in the connecting hole of first rubber pad embedding back shaft one end, the utility model is used for U type head assembly and disassembly tools.