Ketone bodies are mainly produced by the decomposition of fat. When the ketone body value in a child’s body increases, it can be caused by the following reasons: 1. It is related to the baby’s diet, mainly because the child eats too much meat food, which makes too much fat stored in the body, which can lead to an increase in ketone body value. 2. 3. When a child has diabetes, there is insufficient or missing insulin secretion in the body, which reduces the use of glucose and can lead to an increase in ketone bodies. High ketone bodies in the body can do a lot of harm to the baby, leading to symptoms such as ketoacidosis, persistent hyperthermia, mental discomfort and poor breathing. Therefore, once this symptom appears, you should take your baby to the hospital for timely diagnosis and treatment.