A leakage protection apparatus, comprising a wrapping belt (10), two binding members (20), and a guide nozzle (30). The wrapping belt is used for being wrapped on the external surface of a pipeline connector (40). One end of the wrapping belt is provided with a rough-surface hook-and-loop fastener (11) and a button (12), the rough-surface hook-and-loop fastener and the button are located on the positive side of the wrapping belt, the button is located at the side at which the rough-surface hook-and-loop fastener is closer to the center of the wrapping belt. The other end of the wrapping belt is provided with a button hole (13) and a hook-surface hook-and-loop fastener (14), the button hole and the hook-surface hook-and-loop fastener are located on the back surface of the wrapping belt, and the hook-surface hook-and-loop fastener is located at the side at which the button hole is closer to the center of the wrapping belt. The rough-surface hook-and-loop fastener is used for adhering to the hook-surface hook-an
