Sterilization device for microbial inoculation tool

The sterilization device comprises a sterilization pot and a warning mechanism, the warning mechanism comprises an indicating rod and a movable mechanism, the indicating rod is connected with one side of the sterilization pot in a sliding and penetrating mode, the movable mechanism is arranged at the bottom of the indicating rod, and the movable mechanism comprises a floating ball. A movable groove for the floating ball to move is formed in one side of the inner wall of the sterilization pot, a mounting seat is arranged at the top of the indicating rod and is in sliding and penetrating connection with the top of the indicating rod, and a warning mark is arranged at the top of the indicating rod. When the water level in the sterilization pot reaches the bottom of the inner wall of the movable groove, water flows into the inner cavity of the movable groove, the water quantity in the inner cavity of the movable groove is increased, the floating ball and the indicating rod move upwards by utilizing the buoyancy o