Ketone bodies cannot be utilized in the liver primarily because the liver lacks the enzymes to utilize them. Ketone bodies is a collective term for the products produced when fatty acids are oxidized in the liver, a product of fat breakdown. Ketone bodies are found in the human bloodstream, where they can be changed into sugar to supply energy to the body’s central nervous system in the event of starvation. If the liver lacks the necessary enzymes to utilize ketone bodies, such as succinyl CoA transsulfatase, acetoacetate sulfur kinase, and acetyl coenzyme A sulfur kinase and succinyl coenzyme A transsulfatase, the ketone bodies in the liver cannot be oxidized, and ketone bodies cannot be produced in extrahepatic tissues. Because the ketone body oxidation is more complicated, it is recommended to pay attention to not consume spicy and stimulating food, try to eat a regular diet, eat more fresh fruits and vegetables. At the same time, pay attention to exercise, enhance their own immunity.