Elevated HDL cholesterol can be due to physiologic factors, such as exercise, or pathologic factors, such as chronic hepatitis. HDL is mainly synthesized in the liver, and its main function is to transport cholesterol in the reverse direction, transporting peripheral cholesterol to the liver for digestion and absorption, which effectively reduces the incidence of cardiovascular disease. Physiological reasons for its elevation include people who exercise regularly, while factors such as smoking can lower it, and patients with cardiovascular disease should quit smoking in time. Pathologic factors include chronic hepatitis, primary biliary cholangitis, etc., which can cause compensatory elevation, or excessive alcohol consumption, adrenal hormone use, etc. If you feel unwell, you should seek medical treatment promptly.