Because it is by genetic factors, the immune function disorder, microbial infections and toxins, radical toxins, spirit, etc. Various pathogenic factor to cause islet function, Insulin Resistance, Insulin Resistance (IR) of sugar, protein, fat, water and electrolyte and so on a series of metabolic disorder with high clinical syndrome, main features, typical case for urine, can appear more drinking, eating, angular, namely "a little" san-duo symptoms.