Egg yolks contain a lot of fat, cholesterol, protein, minerals and vitamins, and excessive consumption can lead to obesity, increased blood lipids, increased cholesterol, etc., and may also increase the metabolic burden on the liver and kidneys. Therefore, for people with poor liver and kidney function, it is recommended to eat less or no egg yolk. 1, hyperlipidemia, hypercholesterolemia: egg yolk contains too much fat, especially high cholesterol content, which is absorbed into the blood after ingestion and can be deposited on the blood vessel wall, forming thrombus and blocking blood vessels for a long time. 2, fatty liver: the daily protein requirement of the human body has a certain upper limit, and the excess protein is converted by the liver into liver glycogen, which remains in the liver. The excess protein is converted to liver glycogen and left in the body, which can be transformed into fat for a long time, causing fat, and even lead to the occurrence of fatty liver; 3, indigestion: egg yolk is not easy to digest after eating more, slow digestion in the gastrointestinal tract, long-term retention, can cause bloating, belching and other gastrointestinal symptoms. Therefore, it is recommended to eat egg yolk in moderation, 1-2 a day, while the liver and kidney function is relatively poor people, not suitable for eating egg yolk, to avoid aggravating the burden on the organs.