To prevent a passenger from being caught between the door and box at the inside and outside the railcar and improve the appearance of the railcar by allowing cleaning with rotational mop.

A door for an electric railcar of sliding door type is provided with a door body 1 having a window 4 to which a windowpane is installed and two windowpanes 6a, 6b installed on the window 4 at a predetermined interval at the inside and the outside of the vehicle. The inner surface of the windowpane 6a at the vehicle inside shares the same plane with the inner surface of the door body 1. The outer surface of the windowpane 6b at the vehicle outside shares the same plane with the outer surface of the door body 1.