The utility model provides an oranges and tangerines are cleaning and sterilizing device in advance, including the baffle box, conveyer I, conveyer II, conveyer III, conveyer IV, chute I, chute II, chute III, chute IV, the pond of disinfecting in advance, the antiseptic solution elevated tank, the spray pond, spray set, wash the pond, the antiseptic solution pipe, the antiseptic solution ball valve, filler pipe and water polo valve, cleaning and sterilizing device is in advance processed to oranges and tangerines, its characterized in that disinfection, spray, wash respectively by the pond of disinfecting in advance again, accomplish in spray pond and washing pond, avoided accomplishing the disinfection and wash all dangerous thorough drawbacks in a pond, carry out line production and improve production efficiency, and ensure the quality of products, the raw materials adds the antiseptic solution disinfection after conveyer II delivers to the spray pond from the pond of disinfecting in advance, the clear water sprays, get into after spraying and rinse the pond, can get rid of impurity and mould well, the sanitation and hygiene of oranges and tangerines fruits have been guaranteed, the possibility that impurity got into the workshop has been reduced.