Inclusion Criteria:  Inclusion Criteria:  The child is between the ages of 12-18, After the information, the adolescent agrees to participate in the study, and the parent gives written consent, The child can understand and speak Turkish, Parent's ability to understand and speak Turkish, Having a smart phone and having access to the internet, Having been diagnosed with T1DM at least 1 year ago, Being on insulin therapy by the subcutaneous route, Coming to the outpatient clinic at least once every 3 months.  Exclusion Criteria:  Exclusion Criteria:  Age younger than 12 or older than 18, Having another chronic disease, Using an insulin pump Having vision and hearing problems, Using the Continuous Glucose Tracking System, Having a physical or mental disability.