The automobile water retaining strip is also the automobile seal strip. The automobile sealing strip has the function of filling all kinds of intermittence and gap between the components of the automobile body. It has the functions of shock absorption, waterproof, dust prevention, sound insulation and decoration, so as to improve the comfort of driving experience and protect the automobile body. Ordinary car owners experience their cars in a certain operating state, such as high-speed driving, sand and stone pavement, downtown area, feel a strong noise, then the biggest possible is the car body sealing performance problems, many ways to solve the problem, seal is one of the cost-effective solution, car tightness Seals are usually disposed at the factory, the quality of the tape is uneven, after a period of use, there will be premature aging, sealing performance decline, disappearance of the situation, when the replacement of new seals, car noise will be greatly improved. The automobile seal strip is a very useful product for solving noise problems.