The purpose of this research was to investigate the development of treatment of Diabetes Mellitus in hospital of Slovenj Gradec between years 1925 and 1960. We examined primary sources that are preserved and available in the archives and enriched them with verbal sources. Diabetes Mellitus is treated from historical, statistical and social point of view. We made comparison with the present time and put directives for the future.Namen naloge je bil raziskati razvoj zdravljenja sladkorne bolezni v Splošni bolnišnici Slovenj Gradec med leti 1925 in 1960. V ta namen smo pregledali primarne vire, ki so ohranjeni in dosegljivi v arhivu. Podatke, pridobljene na ta način, smo obogatili z informacijami, ki smo jih dobili s pomočjo ustnih virov. Tako je sladkorna bolezen obdelana z zgodovinskega, statističnega in družbenega vidika. Narejena je primerjava s sedanjostjo in predstavljene so smernice za prihodnost
