The utility model discloses a presetting system oil pipe blocks up device belongs to the oil field and prevents spouting the operation field. The device includes the seating nipple, is used for the blanking plug of shutoff seating nipple, the blanking plug include well core rod, suit on well core rod and in core rod can be in it the rubber barrel seat of upward movement predetermined distance, by lower cone, leather cup, skin bowl seat, the expansion glue section of thick bamboo of supreme suit on rubber barrel seat, the cone lower extreme is connected with well core rod, and upper conical face supports with leather cup declivity facial features, expansion glue section of thick bamboo upper end is fixed, and the lower extreme offsets with skin bowl seat, connect through the shear pin suit in the rubber barrel seat upper end, the locating part passes rubber barrel seat and offsets with joint and well core rod upper end, the spring holder is provided with the spring cavity, and the upper end is connected with rubber barrel seat's lower extreme, the spring application of well core rod lower extreme in with the spring cavity, the retaining member is fixed on the spring holder, makes the spring holder fixed with the relative position of seating nipple. The device can once deliver and target in place, need not throw oil pipe once more after lifting oil pipe stifled, labour saving and time saving, the shutoff is effectual.