Cardiovascular diseases include atherosclerosis. Ischemic heart disease, Cardiac arrhythmias and Heart blockage. Heart blockage due to plaque formation can be treated with various drugs. Hyperlipidemia is a medical condition that causes an increase in one or more plasma lipid levels including, triglycerides, cholesterol and phospholipids. The increase in plasma levels can cause various diseases of the cardiovascular system. This article contains an Introduction, type of lipoprotein, classification of Hyperlipidemia, causes, symptoms, pathophysiology, diagnosis, prevention and treatment. Hyperlipidemia is the condition in which the elevation of plasma lipids occurs, which can cause various diseases including coronary, cerebrovascular and peripheral vascular artery diseases. Hyperlipidemia is defined as the condition in which the level of cholesterol and triglycerides increases in the plasma than normal. In the body, the liver produces about 80% of cholesterol but the rest is obtained from the food we eat such as fish, eggs and meat. Hyperlipidemia is the major cause of various Cardiovascular diseases which shows greater risk factors and causes major issues