Why there is hyperlipidemia in diabetes mellitus?

Sugar: Elevated sugars elevated the fat storage process creating triglycerides. Triglycerides thicken the blood, slow it down as it passes through the smaller arteries and this can damage the lining of the arteries making cholesterol plaque more likely to attach and grow.

Hyperlipidemia: Is essentially high cholesterol. Diabetes is a distinct disorder. Some folks have one or the other and you appear to have both. Both need to be treated. Please see your doc who can help you. Peace and good health.