Health-preserving diets have become a trend in the future, and more and more research reports discussion to health-preserving diets that can prolong lifespan. Spanish sunflower pigs, during the fattening period, feed sunflower seeds and linseed seeds to improve the quality of pork and achieve the improvement of Omega3. Omega-3 and Omega-6 are like the two sides of the seesaw. Too much of one side will cause imbalance and cause injury. Risk to the human body. The Omega6/3 ratio of sunflower pigs is more than half that of ordinary pigs, which can help us achieve the effect of health preservation while pursuring the deliciousnes of pork meat