Cab windscreen wiper hidden device and ship applying same

The invention discloses a cab windscreen wiper hidden device and a ship applying same. The hidden device comprises the windscreen wiper and an assembly plate, and further comprises a top deck and a windowsill plate, the top deck is arranged on a deck longitudinal rib at the top of the cab, the assembly plate is arranged between the deck longitudinal rib and window glass of the cab, the windscreenwiper comprises a driving part and a wiping arm. The driving part penetrates through the assembling plate to be connected with the wiping arm, a window sill connected with the assembling plate is arranged at the bottom of the top deck, when the wiping arm is in the first state, the wiping arm is arranged in the top deck, and when the wiping arm is in the second state, the wiping arm penetrates through the window sill to be connected with window glass in a sliding mode. According to the cab windscreen wiper hidden device, water seepage of the cab caused by raining or surging is avoided, water seepage caused by loosenin