Pork belly as food, moderate consumption of no special harm to the human body, but if a large number of long-term consumption, may lead to obesity and other problems. The main components of pork belly for protein and fat, per 100g of pork belly contains 15.2g protein, 5.1g fat, so it is conducive to the human body through the pork belly to supplement protein and fat. Minerals, pork belly in the potassium content of 171mg/100g, can be used as a better food source of potassium. It should be noted that the cholesterol content of pork belly is 165mg/100g, so it is not recommended to consume large quantities for a long period of time, especially for patients with hyperlipidemia, in order to prevent the problem of high cholesterol. In addition, it is recommended to follow the principle of balanced nutrition, so pork belly can be consumed with vegetables to avoid malnutrition.