Introduction: Diabetes is among the most prevalent ingressive glands with severe side effects. So, experiencing it is a new phase in teenager's life, which requires the active involment of them in self care the Clinical and medical personnel need more information about diabetic teenager’s experience of their routine life. Therefore, the present qualitative study deals with the demonstration of diabetic teenager’s experiences.

Methodology: This is a qualitative study with 14 diabetic teenager participants, ranging in age from 12 to 18, experiencing more than an year of diabetes. The study was conducted using a deep half-structural interview in a 45-90 minute period. The transcribed interviews were analyzed in a content analytic method.

Results: Analyzing the data, seven main themes were extracted, including change in life –style, Insulin receiving problems, blood sugar change, fear of future, personal characterization, economical problems and dependency on family, and disease adaptation.

Conclusion: The diabetic teenagers are the most important bodies in self- care to which, attention and understanding can be helpful to the optimized services of medical staff the interaction between these people is fruitful in a social context.