Inclusion Criteria:  Internet access in the home environment, Having a computer in the home environment and being able to use a person from the child and / or family, Adolescent diagnosed with T1 DM at least 6 months ago, Adolescent's ability to understand information, read and write in Turkish, and have no problems preventing him from communicating verbally, Agreeing to sign the consent form that the family agreed to participate in the study,  Exclusion Criteria:  The patients, whose families did not agree to participate in the research for various reasons, Internet not access in the home environment, Adolescent has a chronic disease other than T1 DM, Adolescent newly diagnosed with T1 DM,