A support mechanism for supporting an electronic device is disclosed. The support mechanism, comprises at least one connecting assembly; and at least one pair of support portions, each of the at least one pair of support portions comprising a first support member, a connecting member comprising a first connecting end and a second connecting end, and a second support member; wherein the first support member is rotatably connected to the connecting member at the first connecting end, the second support member is rotatably connected to the second connecting member at the second connecting end, and the second support members of each of the at least one pair of support portions are rotatably connected to each other by the at least one connecting assembly.