Spudcan of offshore structure and ocean floor penetrating method using said spudcan

Disclosed are a spudcan of an offshore structure and an ocean floor penetrating method using said spudcan. According to the present invention, in the case of a jackup rig, in order to fix the jackup rig to the ocean floor, a spudcan is used to be able to reduce or eliminate punch through occurrences that can occur during penetration of the ocean floor.