Rational nutrition is an important part of helping the recovery from illness. Therefore, if patients master the correct dietary principles, they can avoid increasing the burden and damage to the liver caused by improper diet, prevent permanent liver damage, promote the regeneration of liver tissue, and facilitate the recovery of liver function. At the same time, through dietary care to promote liver metabolism, it can improve liver nutrition, adjust immune function, and relieve certain symptoms. In particular, attention should be paid to dietary taboos.