The utility model provides a sealing strip end cover is cut to extra income, includes and cuts sealing strip matched with end cover body and be located body below and door matched with clamping mechanism with the extra income, is equipped with in end cover body one end and cuts sealing strip matched with flange with the extra income, it has the draw -in groove to open in the end cover main part, the clamping mechanism include with left spacing arm and right spacing arm, bottom beam connected is passed through to the below of left spacing arm and right spacing arm, be equipped with on the floorbar with car door hole position inside and outside inboard joint claw of panel beating matched with and outside joint claw, interior joint claw and/or outer joint claw upper end have a draw -in groove. The utility model discloses the fine restriction of structure extra income each degree of freedom of cutting the sealing strip tip, the effectual assembly firmness that has strengthened the extra income and cut the tip, and easy dismounting, in the end cover disect insertion door sheet metal hole, upwards extract during the dismantlement during installation, use extensively, no space limitation,end cover joint structrual installation are on the door planking, and effectual solution car door pillar arranges the not enough problem in space.