Olives have too much salt, so you can use more water to dilute the salt. Pickled olives, that is, black olives, are pickled edible olives and a special snack in Chaoshan. Wash raw olives, put them in boiling water and soak them in hot water. After several hours, take it out, add salt water or salt without water, and put it in Jiang Mo for sealing. You can eat it in a few days. An olive. This is an olive tree, 20 meters high and DBH 45 cm. Small branches are purple-brown, and there are columnar vascular bundles around and in the center of the pulp.