Building construction safety protection device with self-locking function

The utility model discloses a building construction safety protection device with a self-locking function, which relates to the technical field of building construction and comprises a building construction mounting bracket, mounting plates are arranged at the bottom ends of the two ends of the building construction mounting bracket, a protection door is arranged on one side of the building construction mounting bracket, and a self-locking mechanism is arranged on one side of the protection door; a reset mechanism is arranged at the top end of one side of the protective door, an insertion rod matched with the self-locking mechanism is arranged in the middle of one end of the protective door, and a handle is arranged in the middle of one side of the protective door. The safety protection device is reasonable and reliable in structure and convenient to operate, can protect a building construction site, and can effectively prevent unauthorized personnel from entering a dangerous area, so that the risk of acciden