Handle folding structure of treadmill

The utility model discloses a treadmill handle folding structure which comprises a handle assembly, a connecting part connected with a treadmill and a spring assembly used for connecting the handle assembly and the connecting part. The spring assembly comprises a tension spring used for connecting the handle assembly and the connecting part, and the handle assembly abuts against the connecting part under the action of the tension spring; the elastic pin is inserted into the connecting part and is used for fixing the handle assembly; the handle assembly has a folding state and a working state, and the handle assembly can be switched from one state to the other state after fixation of the elastic pin to the handle assembly is removed. When the handle assembly needs to be folded, the handle assembly is pulled backwards by pulling the pull pin, the handle assembly slides along the arc hole, and then the handle assembly is rotated upwards, so that the handle can be folded, and space is saved; when the handle assem