The utility model discloses a scraper bowl of loader, including mainboard, left baffle, right baffle and picture peg, the front end of mainboard is equipped with and rotates the groove, rotates the inslot and is equipped with the axis of rotation, and axis of rotation and picture peg fixed connection all are equipped with the drive division that is used for rotating the picture peg on left baffle and the right baffle, and the drive division is articulated mutually with the picture peg. The utility model discloses in application and road and the bridge work progress for bulk material such as shovel loading soil, grit, lime, coal also can dig the operation to the slight shovel of works such as ore, pan soil. The unequal reason of engine shake or road surface has been solved through above technical scheme, problem that grit or earth are trickled down out from the scraper bowl easily.