Evaluation of Interests of FIT Therapy on Diabetics Children Insulin-dependent

Inclusion Criteria: * aged 1-17 years * diabetic for at least 1 year * whose HbA1c is between 7.6 and 10% (7.6% \<HbA1C \<10%) * treated with insulin pump * agreeing to perform at least three blood glucose/day * willing to follow the treatment with functional insulin therapy if necessary Exclusion Criteria: * Ages \<1 year or\> 17 years * Duration of diabetes \<1 year * HbA1c \<7.6% or HbA1c\> 10% * Treatment-by multiple injections * Mental disability * Refusal to adhere to the constraints of the study * Language barrier, preventing any understanding or cooperation * Eating behavior-type anorexia or bulimia * Pregnancy * Use of alcohol or drugs * Severe chronic or genetic pathology other than diabetes * Participation in another clinical study or refusal to participate in the study