A rotation mechanism for a foldable mobile terminal, the rotation mechanism comprising: a rotation assembly having: a position member; a first rotation shaft, rotatably coupled to the position member; a second rotation shaft, rotatably coupled to the position member and separated from and parallel to the first rotation shaft; a distance between the first rotation shaft and the second rotation shaft remaining constant by the position member; a sliding member, disposed between the first rotation shaft and the second rotation shaft; the sliding member being moved along a direction parallel to an axis of the first rotation shaft by rotating the first rotation shaft and the second rotation shaft; and a connection member, coupled to the sliding member; a base assembly having: a base body, coupled to the rotation assembly; a first slide base, slidably coupled to the base body; and a second slide base, slidably coupled to the base body, the second slide base and the first slide base being located at two opposite sides of the base body; and a connection assembly having: a first connecting member coupled to the connection member; a first triangular connecting member rotatably coupled to the first connecting member and the base body; a second connecting member coupled to the connection member; and a second triangular connecting member rotatably coupled to the second connecting member and the base body; wherein a corner of the first triangular connecting member is rotatably coupled to the first slide base, and a corner of the second triangular connecting member is rotatably coupled to the second slide base. a rotation assembly having: a position member; a first rotation shaft, rotatably coupled to the position member; a second rotation shaft, rotatably coupled to the position member and separated from and parallel to the first rotation shaft; a distance between the first rotation shaft and the second rotation shaft remaining constant by the position member; a sliding member, disposed between the first rotation shaft and the second rotation shaft; the sliding member being moved along a direction parallel to an axis of the first rotation shaft by rotating the first rotation shaft and the second rotation shaft; and a connection member, coupled to the sliding member; a position member; a first rotation shaft, rotatably coupled to the position member; a second rotation shaft, rotatably coupled to the position member and separated from and parallel to the first rotation shaft; a distance between the first rotation shaft and the second rotation shaft remaining constant by the position member; a sliding member, disposed between the first rotation shaft and the second rotation shaft; the sliding member being moved along a direction parallel to an axis of the first rotation shaft by rotating the first rotation shaft and the second rotation shaft; and a connection member, coupled to the sliding member; a base assembly having: a base body, coupled to the rotation assembly; a first slide base, slidably coupled to the base body; and a second slide base, slidably coupled to the base body, the second slide base and the first slide base being located at two opposite sides of the base body; and a connection assembly having: a first connecting member coupled to the connection member; a first triangular connecting member rotatably coupled to the first connecting member and the base body; a second connecting member coupled to the connection member; and a second triangular connecting member rotatably coupled to the second connecting member and the base body; a base body, coupled to the rotation assembly; a first slide base, slidably coupled to the base body; and a second slide base, slidably coupled to the base body, the second slide base and the first slide base being located at two opposite sides of the base body; and a connection assembly having: a first connecting member coupled to the connection member; a first triangular connecting member rotatably coupled to the first connecting member and the base body; a second connecting member coupled to the connection member; and a second triangular connecting member rotatably coupled to the second connecting member and the base body; wherein a corner of the first triangular connecting member is rotatably coupled to the first slide base, and a corner of the second triangular connecting member is rotatably coupled to the second slide base.