PURPOSE: To provide a safe protective fence against falling objects capable of protecting an operator from an object falling from an upper section in a liner plate when excavation construction work using the liner plate is conducted.

CONSTITUTION: In a safe protective fence against falling objects for protecting an operator from falling objects such as soil and stone falling from an upper section into a liner plate disposed into a pit at the time of the excavation of the pit, a protective fence 3 preventing the falling of the falling object is installed to a frame body 2 to which an attachment member 8 attached inside the liner plate is set up.