Total cholesterol of 5.28 mmol/L is considered high and is in the high range, which may be caused by incorrect diet or suffering from diseases such as atherosclerosis and obstructive jaundice. Patients can be treated with medication and general measures as prescribed by the doctor. Under normal circumstances, the total cholesterol level should be between 2.83~5.20mmol/L. The current slightly higher than normal value may be caused by improper dietary habits, for example, long-term consumption of fried food, lung heat and other high cholesterol, high fat content of food. It may also be caused by disease factors, such as atherosclerosis, hypothyroidism, obstructive jaundice and other diseases. Patients are advised to maintain a light diet and eat more fresh fruits and vegetables such as green vegetables and apples in the near future. If the total cholesterol does not drop, you can take atorvastatin calcium tablets and other lipid-lowering drugs as prescribed by the doctor to achieve the effect of lowering blood lipids and prevent the condition from worsening. Patients with high total cholesterol are advised to go to the hospital for treatment in time.