A mower folding-type chassis, comprising a fixing disc and at least one rotating disc rotationally connected with the fixing disc； the fixing disc is fixedly arranged at the bottom of the mower； mowing blades are respectively arranged within the shells of the fixing disc and the rotating disc； a driving device used for driving the mowing blades to rotate is arranged in the mower； through the arrangement of a fixing disc and at least one rotating disc rotationally connected with the fixing disc, when mowing a lawn, the rotating discs can be rotated and unfolded relative to the fixing disc, thereby improving the mowing efficiency, and when the mower needs to be stored or transported, the rotating discs can be rotated and folded relative to the fixing disc, thus reducing the space occupation of the mower and satisfying the user's requirement.
