Abstract: Effect of dealing strawberry,kiwifruit and haw with physic acid on controlling the loss of vitamine C during these fruits’ crushing was studied in this paper. The results showed that physic acid have different protection domino offect on controlling vitamine C loss in the crushing to various fruits. Physic acid could increase haw’s AA and DHA retention distinctly. Physic acid had good effect on controlling kiwifruit’s DHA loss and had no effect on its AA, while this is opposite to strawberry.