High LDL cholesterol level suggests the possible presence of hyperlipidemia, nephrotic syndrome, chronic renal failure, and liver disease. Intervention can be made by adjusting lifestyle habits, medication and other measures. 1. Adjust living habits. Low-salt, low-fat and low-calorie diet, increased exercise, weight control, as well as attention to smoking and alcohol cessation. 2 Medication. Take statins such as simvastatin and pravastatin for intervention. If there is also a primary disease, but also actively treat the primary disease. In addition, the indicator may also be elevated during pregnancy, which is physiological and requires no special intervention; if the indicator is abnormal in the non-pregnant population, it is recommended to go to the hospital in time, and do not take medication without authorization.