The salt-bottomed oil is green and non-polluting, with bright color, rich and mellow taste, nourishing taste, not crispy, fat but not greasy, soft and not spleen, appetizing and spleen, with unique and rich raw meat flavor. Other meat products are superior in "color, fragrance, taste". The salt-edge oil bottom can maintain its nutritional value for a long time without adding any food additives. The physicochemical indicators of nitrite, lead and arsenic in meat are low in human body and are greener and healthier than other meat products.