The causes of high ketone bodies in children’s urine test mainly include the following situations: 1, symptoms caused by hunger in children. If the child in the urine test a few days before the meal appetite is relatively poor, the amount of food is relatively small, will cause the body calorie shortage, resulting in fat decomposition, fat decomposition will cause ketone body increase. 2, due to the child suffers from ketoacidosis caused by the symptoms. Children with diabetes if the application of drugs is not standardized, resulting in an abnormal increase in blood glucose, the symptoms of ketoacidosis will occur, this time the children will have a coma, urine test ketone body abnormally high situation.