Hand, foot and mouth disease is mainly an infectious disease caused by human infection with certain intestinal viruses, mainly invades children, adults can also appear hand, foot and mouth disease, but less common. There is no specific treatment for hand, foot and mouth disease, hand, foot and mouth disease diet should pay attention to the following points: first of all, a light diet, do not eat irritating, spicy food; 2, give adequate nutrition, including adequate protein, heat supply; 3, pay attention to the oral and skin cleaning care work. As children develop oral blisters and damage to the mucous membrane, it is important to eat foods that are well digested and less irritating.