Leakage-proof anti-collision bag for seafood packaging

The utility model relates to the technical field of packaging bags, in particular to a leakproof and anti-collision bag for seafood packaging, which comprises a packaging bag main body and a limiting sleeve, a cavity is arranged between the top and the bottom of the limiting sleeve, the packaging bag main body is positioned inside the limiting sleeve, and the limiting sleeve is positioned inside the packaging bag main body. The top of the inner wall of the limiting sleeve is annularly and fixedly connected with a second connecting plate, through the structural design of the limiting sleeve, the second connecting plate, a threaded through hole and a bolt, the effect of limiting and protecting the packaging bag body is achieved, and the situation that the packaging bag body is damaged due to accidental collision with an external object in the carrying process is prevented; according to the seafood packaging bag, the situation that seafood products contained in the packaging bag are leaked due to the fact that t