Diabetes is common name of diseases accomplished by an overflow of polyuria. There are different types of diabetes, we can distinguish diabetes mellitus, diabetes insipidus, diabetes innocens, phosphate diabetes, pseudohypoaldosteronism, bronzed diabetes. But the most prevailing type of diabetes is considered to be diabetes mellitus. Diabetes mellitus is an endocrine disease developed because of absolute or relative lack in insulin. This insulin lack causes hyperglycemia. Hyperglycemia is a constant enhancement of sugar blood level increasing.