Triglycerides 5.6mmol/L need to be controlled by taking lipid-lowering drugs if lifestyle improvement is not effective. The normal reference value for triglycerides is less than 1.7mmol/L. Triglycerides 5.6mmol/L fulfills the diagnostic criteria for hypertriglyceridemia. Lipid-lowering drugs are not necessary for this condition, and lifestyle intervention is usually chosen first, including maintaining a low-fat diet, maintaining a certain frequency and intensity of aerobic exercise such as jogging and swimming, and at the same time, quitting smoking and drinking. If the effect of lifestyle intervention is unsatisfactory, it is necessary to take lipid-lowering drugs to achieve the purpose of lowering triglycerides, which can be taken under the guidance of a doctor, niacin, fibrates such as fenofibrate, gemfibrozil, etc., as well as statins such as atorvastatin. It is recommended to consult a professional doctor for standardized diagnosis and treatment when necessary, and the medication should be applied reasonably according to the doctor’s instructions.