Wooden door seal on the doors, moving doors, sliding doors and other doors and plays a key role as amended. Sound of the collision, on the edge of the leaf play a protective role, and extend the most obvious is the shock, after the door stop line installed it on mitigation (or even disappear) the closed (window) when the door of life and reduce the noise. Second is sealed, shock absorption, isolated indoor and outdoor air, effectively acts as a thermal insulation, energy-saving effect, but will prevent mosquitoes and other small insects drill indoors. Has been widely applied in the field of family, hotels, hospitals, commercial buildings, clean engineering, shopping malls and so on.