The invention provides a method for processing canned olea europaea fruit. The method comprises the following steps of: soaking olea europaea fruits for hours in an alkali solution; soaking the olea europaea fruits in water or phosphoric acid aqueous solution for hours; soaking the olea europaea fruits in magnesium acetate solution at constant temperature, bleaching by water, dehydrating, and vacuumizing; and adding a food additive and the water conventionally, stirring uniformly, sealing, and sterilizing to obtain the canned olea europaea fruit. According to the method, the problems of debittering and dealkalization of the olea europaea fruits are solved, and an optimum formula for the olea europaea fruit can is found; the canned olea europaea fruit saline obtained by the method has the special faint scent flavor of the olea europaea fruits, is nether too hard not too soft and offers a good mouthfeel; and according to the canned olea europaea fruit processed by the method, the loss of nutrient substances is little, the original flavor can be kept, and the retention period is longer.