Clinical Trail of Tang-min-Ling Pills in Type 2 Diabetes Mellitus

Inclusion Criteria: * initial treatment type 2 diabetic patient * liver-stomach heat retention syndrome * BMI ≥24kg/m2 * aged 30-65 years * after screening stage(lifestyle intervention),Hba1C≥7.0%,FPG7.0-13.3mmol/L or PG2h\>11.1mmol/L; * voluntary signs the informed consent Exclusion Criteria: * have used anti-diabetes drug before more than 1 month * used drug to control the blood sugar with 3 weeks * diabetic ketosis,keto-acidosis,serious infection or trauma,major surgery within 1 month * liver or kidney insufficiency,lung insufficiency,heart failure,acute myocardial infarction or other serious primary disease * SBP/DBP \>160mmHg/100 mmHg * serious chronic diabetic complication * chronic stomach-intestine disease,bad condition of the whole body * pregnancy,preparing to pregnant,or breast-feed stage women * allergic to TCM component * mental disease * allergic habitus * attending to other clinical test * attended this test before * bibulosity and/or mental active drug,drug abuse or depend * usually change the working environment,unstable live environment,etc.which will complied the inclusion * unstable dose or type of anti-hypertension drug * taking the drug or health food which will change the body weight