PROBLEM TO BE SOLVED: To provide a paddy field working machine which can automatically perform lifting operation of a marker without any delay even in a structure of adopting a wide seedling planting device scheduled to plant many number of planting rows.SOLUTION: The paddy field working machine includes automatic operation means that can output an operation command to a marker operation device 60 to change over a marker 40 in a lowered use attitude, to a lifted nonuse attitude, besides an operation command by linkage means that outputs an operation command to change over the marker 40 to the lifted non-use attitude in conjunction with lifting operation of a main working device. The automatic operation means includes machine body condition discrimination means for discriminating whether the traveling machine body reaches a scheduled swivel position or not. The automatic operation means is configured to output an operation command to the marker operation device 60 on the basis of discrimination information tha
