The invention discloses a moving door for a ship. The moving door comprises the moving door, and also comprises a driving device, wherein the top of the moving door is provided with an upper guide rail device; the bottom of the moving door is provided with a lower guide rail device; the moving door is opened and closed from the middle to two sides; the moving door is arranged as a plurality of separate structural door panels; storage cavities are arranged on two sides of the moving door; and the moving door is driven by the driving device. The moving door for the ship is reasonable in structural design; each single door panel can be separately driven by the driving device so that the plurality of door panels can be opened and closed simultaneously and retracted into the storage cavities tosave space; and heating devices play an anti-freezing role so that the moving door can be used normally in a temperature range from -30 DEG C to +60 DEG C.