The monograph covers a theoretical basics and practical approaches to flexible treatment of type 1 diabetes for healthcare professionals in a targeted, practical and easy guidance. Based on therapeutic education of the patient and their family, patient's understanding of the principles of flexible regimen and awareness of the risks and limitations of flexible insulin regimens, the book provides informaions on setting up basal doses and factors necessary for bolus doses calculations, changes regarding physical aktivity, etc. for patients treated by both multiple daily injections and insulin pumps.