The fatty acids in lard are often mainly saturated fatty acids, which can cause atherosclerosis. If you eat lard too often, it can cause brain infarction, myocardial infarction, lower limb atherosclerosis and other chronic diseases. Lard itself contains a certain amount of energy, from a nutritional point of view, 1g of fat produces 9 kcal of calories, if often eat lard, it may cause excessive energy intake, too much energy is stored in the body in the form of fat, which will cause a high incidence of overweight and obesity.