Foie gras, also known as fatty goose liver, is the liver of geese and contains essential proteins, fats, vitamins, minerals and many other nutrients. However, because of some of these components as well as excessive fat content, should not be overconsumed, may cause harm to human health. First, the nutritional value: 1, lipids: fatty goose liver is rich in lipids, lecithin content is high. Because the ratio of unsaturated fatty acids to saturated fatty acids is conducive to human digestion and absorption, so not only will not promote cholesterol, but also effectively reduce the level of total serum cholesterol, reduce the incidence of cardiovascular disease, etc.; 2, vitamins: fatty goose liver contains vitamin A, the content is higher than ordinary animal liver, is the main component of light-sensitive substances in the human retina, help dry eye disease patients, night blindness patients, etc. It helps to relieve the symptoms of the condition. Fatty goose liver is also rich in vitamin B2, is conducive to patients to supplement the vitamin B group, to prevent the occurrence of diseases such as stomatitis, dermatitis; 3, minerals: fatty goose liver is also rich in trace elements and minerals, especially iron-rich, conducive to the correction of iron deficiency anemia, help reduce blood lipids and anti-atherosclerosis, etc. Second, the harm: goose liver contains cholesterol, hypercholesterolemia patients use caution. Because foie gras is rich in vitamin A, such as excessive one-time consumption, may cause acute vitamin A poisoning. In addition, foie gras contains more fat, fat reduction period of the population is recommended not to eat, normal people should also avoid eating too much, resulting in obesity.