Waterproof packaging bag with safety buckle

The utility model discloses a waterproof packaging bag with a safety buckle. The waterproof packaging bag comprises a packaging bag body and a sealing waterproof mechanism arranged in the packaging bag body. The sealing waterproof mechanism comprises a first inclined plate arranged on one side of the inner wall of the packaging bag body and a second inclined plate rotating on the other side of the inner wall of the packaging bag body through a center shaft, the top of the first inclined plate is fixedly connected with a sealing clamping groove, and the bottom of the second inclined plate is fixedly connected with a sealing clamping piece matched with the sealing clamping groove. Relates to the technical field of packaging bag storage. According to the packaging bag, the first inclined plate, the second inclined plate, the sealing clamping groove and the sealing clamping piece are matched, the sealing performance of the interior of the packaging bag can be guaranteed, in the hand lifting process, the hand lift