A connecting device of a soil removing member for an excavator is used for connecting two soil removing members, wherein a helical ejecting blade is attached on an outer periphery of a rotational shaft. The rotational shaft in one soil removing member is connected to another rotational shaft of another soil removing member in accordance with excavation. The connecting member is basically formed of an inserting member disposed at one end of the rotational shaft, and a receiving member provided at the other end of the rotational shaft.