The Total Cholesterol (T C) HDL - Cholesterol (HDL - C) LDL - Cholesterol (LDL - C) and Triglycerid (TG) concentration have been measured on 52 normals subjects and 127 NIDDM patients. The results have shown: The T C LDL - C and TG concentration on the NIDDM group was significantly higher than on the normal group (p<0, 01).