Urine ketone bodies (+-) Drink plenty of water and urinate. Ketone bodies are metabolic products of fat decomposition, acidic, harmful to the human body. There is no ketone body in the urine of normal people, the appearance of urine ketone body is common as follows: 1, diabetic patients, if blood sugar is too high, unauthorized discontinuation of insulin or hypoglycemic drugs, in the state of infection or stress, may cause the body to glucose utilization disorders, the emergence of lipolysis and cause urine ketone body positive. This must be taken seriously, as soon as possible to the hospital endocrinology department, if necessary, should be immediately hospitalized for rehydration, ketone elimination, hypoglycemic treatment. 2, if the body is in a state of chronic hunger, such as weight loss of the population to eat less, this situation will also appear urine ketone body positive. If the urine ketone body weak positive caused by this situation, as long as the return to normal diet, ketone body will disappear.