HDL cholesterol 1.92mmol/L is high, but not serious, and may be caused by non-disease factors such as adequate exercise or diseases such as chronic liver disease. The normal range of HDL cholesterol is 1.16~1.42mmol/L for men and 1.29~1.55mmol/L for women. HDL cholesterol of 1.92mmol/L is on the high side, but not serious. HDL cholesterol is a protective substance against cardiovascular diseases (atherosclerosis, coronary heart disease). High HDL cholesterol values may be caused by prolonged and adequate exercise, alcohol consumption, and the use of phenytoin sodium. It may also be caused by chronic liver disease and primary biliary cholangitis. The HDL cholesterol of 1.92 mmol/L excludes physiological factors, and it is recommended to go to the hospital for consultation.