Composite double-layer waterproof breathable film

The utility model provides a composite type double-layer waterproof breathable film which comprises a first waterproof breathable film, a second waterproof breathable film and an adhesive layer arranged between the first waterproof breathable film and the second waterproof breathable film, and air holes are evenly formed in the adhesive layer. According to the composite type double-layer waterproof breathable film, the two layers of waterproof breathable film bodies are bonded through the adhesive layer, the bonding strength is high, through holes in the middle of a double-faced adhesive ring in the prior art are replaced with the air holes evenly distributed in the adhesive layer, and the situation that when the first waterproof breathable film body is damaged, the first waterproof breathable film body is damaged is avoided; water enters the gap between the two layers of waterproof breathable films to form a water film, so that poor functionality of the waterproof breathable films caused by water filling bet