The invention provides an instant okra snack food which is prepared from okra bud as a main raw material together with corn starch, egg white, an antioxidant, salt, citric acid and wheat bran, and the preparation method comprises the following steps: collecting the bud, deactivating, soaking in vacuum, drying in vacuum, mixing size, hanging the size, wrapping powder, quickly freezing, frying in oil in vacuum, removing the oil and packaging. The product is gentle in machining process, the original appearance, nutrition and favor of okra are maintained, the prepared product is rich in nutrient elements such as dietary fiber, multivitamins and mineral substances, and active substances such as polysaccharide and flavone, and the snake food is nutrient, health care and convenient to eat.