The automobile sealing strip has the function of filling various gaps between the body components. It has the functions of shock absorption, waterproofing, dustproof, sound insulation, decoration, etc., improving the comfort of the driving experience and protecting the car body. It is mainly used in the door leaf, The door frame, front and rear windshield, engine cover and trunk cover. The sound insulation of the ship sealing strip and the vehicle depends on many comprehensive properties of the vehicle itself, such as the glass, chassis, tires and the thickness of the steel plate of the body will affect the sound insulation of the vehicle itself.