This study is a retrospective review of participants who visited Department of Endocrinology, Guang'anmen Hospital and accepted traditional Chinese medicine formula for at least sis months, from January 2015 to December 2020. All the participants should be diagnosed as type 2 diabetes mellitus, obesity and dyslipidemia. Therapeutic effect of traditional Chinese medicine will be evaluated based on the changes of blood glucose, body mass index, blood lipids, and blood pressure.

The diagnostic criteria for type 2 diabetes mellitus and obesity are based on the Guideline for the prevention and treatment of type 2 diabetes mellitus in China (2020 edition). The diagnostic criteria of dyslipidaemia are based on the Chinese Guidelines on Prevention and Treatment of Dyslipidaemia in Adults (2016, revision edition).

Inclusion Criteria:

1. Meet at least three of the requirements below; 1) Fasting Plasma Glucose > 6.1 mmol/L or 2-hour Postprandial Blood Glucose > 7.8 mmol/L or diagnosed as type 2 diabetes mellitus; 2) Body Mass Index > 25 kg / m2; 3) Total Cholesterol > 5.2 mmol / L; Or Triglyceride > 1.70 mmol / L; Or Low-Density Lipoprotein > 3.12 mmol / L; Or High-Density Lipoprotein < 1.04 mmol/L. 4) Systolic blood pressure > 130 mmHg or Diastolic blood pressure > 85 mmHg or diagnosed as hypertension;
2. Received 6 months of continuous Chinese herbal medicine treatment;
3. During the period of receiving Chinese herbal medicine, the patients continued to take western medicine according to the doctor's advice as before.
4. During the period of receiving Chinese herbal medicine, diet and exercise continued according to the original routine, and the tests would be reviewed in the same institution.
5. Aged 18 to 80 years at the time of their consent;
6. Signed informed consent.

Exclusion Criteria:

• Patients who had serious heart, lung, liver, kidney and brain diseases; serious infectious or hemorrhagic diseases; serious nervous system diseases, mental instability; or could not cooperate with treatment were excluded.

Patients who visited Department of Endocrinology, Guang'anmen Hospital, from January 2015 to December 2020.