The present disclosure relates to a folding mechanism, including: a supporting beam; a rotating shaft assembly, including a plurality of rotating shafts extended along a length direction of the supporting beam, wherein the plurality of rotating shafts include a positioning shaft and transmission shafts distributed on both sides of the positioning shaft, and the positioning shaft is disposed on the supporting beam; a transmission assembly sequentially coupling individual rotating shafts in series along a distribution direction of the rotating shafts, wherein any rotating shaft is rotatable around an adjacent rotating shaft; and two bearing frames coupled to both sides of the transmission assembly, wherein the two bearing frames are rotatable around the positioning shaft between a first form, an unfolded form and a second form under transmission of the rotating shaft assembly and the transmission assembly.