The utility model discloses a refrigerator tray working of plastics mold processing, including upper plate and base, cushionblock connection movable mould board is passed through to the upper plate bottom, be equipped with the mould foot on the base, mould foot top is fixed with the fixed die plate, still there is elastic stop block through the fix with screw on the fixed die plate, elastic stop block includes an elastic stop block, the 2nd elastic stop block, the 3rd elastic stop block and fourth elastic stop block, an elastic stop block, the 2nd elastic stop block, the 3rd elastic stop block and fourth elastic stop block bond around constituting the inner chamber of moulding plastics from beginning to end, the bottom of movable mould board is equipped with first lug in proper order, second lug and third lug, be equipped with first recess on the fixed die plate in proper order, second recess and third recess, three recess all is located inside the inner chamber of moulding plastics. The utility model discloses a mold processing is applicable to the injection moulding technology of refrigerator tray working of plastics, simple structure, convenient to use, and the leakproofness of the inner chamber of just moulding plastics is fine.