The project is aimed at investigating the effect of nutrition education on knowledge, attitude and practice (KAP)of subjects who are frequently eating out, and the effect on metabolic parameters.

The project is aimed at investigating the dietary structure and frequencies of eating out via a cross-sectional study, on the basis of which a randomized, parallel controlled trials is to be carried out.The purpose is to evaluate the effect on metabolic parameters.

Hypotheses to be tested:Nutrition education has the effect of improving the metabolic parameters of subjects who are frequently eating out.

Inclusion Criteria:

• Shanghai urban citizens
• Male or female 18 to 25 years of age;
• Frequently eat out(eat out 3 or more times per week);
• Clinical diagnosis of Metabolic Syndrome(Meet 3 or more Diagnostic criteria); A. Abdominal obesity: waist circumference>90cm ( M ), and>85cm( F ); B. Dyslipidemia:triglyceride≥1.7mmol/L; C. HDL-C < 1.04mmol/L; D. hypertension: blood pressure≥ 130/85mm Hg ( or have been diagnosed hypertension); E. Hyperglycemia : FPG≥6.1mmol/L and ( or ) 2-hour postprandial blood glucose≥7.8mmol/L and ( or ) have been diagnosed with diabetes;
• Signed written informed consent ;
• Can attend lectures.

Exclusion Criteria:

• Pregnant woman;
• Temporary resident population;
• Participating in another clinical trial 6 months before randomization.