Abstract: A transport apparatus comprises: transport means 150 which is equipped with transport members 152 for holding preforms 200 to be rotatable in a horizontal direction and transports the transport members 152 along a transport line 151; and positioning means 300 for aligning the preforms 200 in a predetermined direction. The transport members 152 include regulation members for regulating the rotation of the preforms 200 aligned in the predetermined, direction by the positioning means 300.