TCM Syndrome Differentiation of T2DM & MetS

Inclusion Criteria: * (1) Age between 18-75y. * (2) Diagnosed with Type 2 diabetes. * (3) Diagnosed with Metabolic Syndrome according to Guideline for the prevention and treatment of type 2 diabetes mellitus in China (2020 edition) from Chinese Diabetes Society. People who meet 3 of the following diagnostic criteria or more can be diagnosed as Metabolic Syndrome: (a) Abdominal obesity: waist circumference ≥ 90cm for male and ≥ 85cm for female; (b) Hyperglycemia: Fasting blood glucose ≥ 6.1mmol/L or 2-hour postprandial glucose ≥ 7.8mmol/L and/or those who have been diagnosed with hyperglycemia and in treatment; (c) Hypertension: blood pressure ≥ 130/85mmHg and/or those who have been diagnosed with hypertension and in treatment; (d) Fasting triglyceride ≥ 1.70mmol/L; (e) Fasting HDL-C \< 1.04mmol/L. * (4) Clearly understand the content of the study and voluntarily sign the informed consent form. * (5) Provide complete data (basic information, TCM diagnosis data, and blood test results). Exclusion Criteria: * (1) Diagnosed with type 1 diabetes, steroid-induced diabetes, gestational diabetes, or specific types of diabetes. * (2) Diabetes accompanied by severe complications such as diabetic nephropathy, diabetic ketoacidosis, etc. * (3) Secondary obesity (e.g., secondary to pituitary inflammation, tumor, etc.). * (4) Secondary hypertension (e.g., pheochromocytoma, renal hypertension, etc.). * (5) Secondary hyperlipidemia (e.g., hypothyroidism, nephrotic syndrome, etc.). * (6) With severe heart, liver, or kidney disease or bleeding disorders, or with other serious diseases (e.g. cancer, dementia, etc.). * (7) With severe mental disorders, speech or hearing impairments. * (8) Pregnancy or lactation female. * (9) Currently join other clinical trial.