The utility model discloses a vehicle and give sound insulation and fill up and sound insulation component thereof. It is equipped with the region that is used for piercing through the component to give sound insulation to stack up, the region has the border, give sound insulation pay somebody's debt and expect repayment later have connect in turn -ups on regional border partly, be equipped with on the turn -ups and be used for pierce through the hole that the component passes through. Syllable -dividing pad is designed becomes to have turn -ups or flip form, provides to pierce through the possibility that the component changed through syllable -dividing mode of filling up.