Pork is really not as good for health as beef and mutton, because the fat content of pork is relatively high, while the fat content of beef and mutton is relatively low, which does not have much fattening effect on human body. Well, although the output of pork is large, the output of beef and mutton is higher and more difficult to obtain, thus achieving a good health care effect. The life expectancy of westerners is much higher than that of China, because they have more needs for people.