Total cholesterol greater than 6.45 mmol/L is considered hypercholesterolemia. If the patient’s total cholesterol has reached 7.23 mmol/L, the patient’s total cholesterol index is higher than the normal range at this time and needs to be controlled. In most cases, high total cholesterol is related to diet and body composition. Eating too much cholesterol-rich food can lead to elevated cholesterol, while obesity can also lead to elevated total cholesterol. In a small number of patients, it can be related to heredity. If it is related to heredity, it is difficult to regulate it through diet, so clinically, for such patients, medication can be taken, and the most commonly used ones are statins, which have better cholesterol-lowering effect and can also prevent the occurrence of cardiovascular diseases. If patients have hypercholesterolemia, diet is not recommended to eat foods with high cholesterol, such as seafood with shells, squid, animal offal and so on. Patients are advised to consume more fresh vegetables and fruits to facilitate the reduction of blood lipids and cholesterol. Some hypercholesterolemia is related to hormone levels. For example, after menopause, female patients are likely to develop hypercholesterolemia due to the influence of hormone levels, which is usually difficult to resolve through diet and requires estrogen supplementation to increase hormone levels and thus lower cholesterol levels.