The nutritional structure of lard residue is relatively single, mainly providing calories for the body. Every 100 grams of lard residue contains 837 calories, of which 84 grams of fat and 14 grams of protein. It can be seen that lard residue calories are very high (much higher than French fries, fried chicken, burgers, etc.), the main calories from fat. And lard residue in the fat is mainly saturated fatty acids, saturated fatty acids can increase the blood vessels in the low-density lipoprotein content, reduce high-density lipoprotein content, increase the risk of long-term cardiovascular and cerebrovascular disease. So coronary heart disease, cerebrovascular disease, diabetes, hypertension and other patients should try to eat less lard residue. Due to the high calorie lard residue, for ordinary people also try to eat less, otherwise it is easy to lead to the intake of caloric excess, which in turn triggered obesity.