To provide a freely bendable motor-driven curtain rail.

A freely bendable motor-driven curtain rail includes: a flexible and bendable curtain rail body (2A); a pair of conductive power supply members (3) arranged over the entire length of the curtain rail body (2A); a drive runner (4) that is provided with an electric motor (4a) which is suspended on the curtain rail body (2A) and to which power is supplied by the pair of power supply members (3), and runs along the curtain rail body (2A), driven by the electric motor (4a); a plurality of driven runners (5) that run along the curtain rail body (2A), following the running of the drive runner (4); and an electrode part (7a) which is attachable to and detachable from the end of the curtain rail body (2A) to supply power to the pair of power supply members (3).