Objectives The aim of this study is to review and analyze the status on the recent clinical trials of ``obesity`` and ``metabolic syndrome``. Methods We search ``www.clinicaltrail.gov`` for research trend of obesity and metabolic syndrome. Search terms used were ``obesity`` and ``metabolic syndrome``. In order to see detail review, searching was performed from 01, 01, 2007 to 05, 31, 2009 with intervention, phase Ⅲ or phase Ⅳ. 16 And we classified all the searched studies into design, intervention, purpose, end point, diseases and condition. Results We could search total 232 trials. Of them, we found 32 trials with intervention, phase Ⅲ or phase Ⅳ from 01, 01, 2007 to 05, 31, 2009. Also we could see various design of clinical trials. Conclusion To improve obesity and metabolic study in Traditional Korean Medicine, it is need to activate clinical trial, meta analysis, develope of clinical practice guidelines, co-works with conventional medicine and etc.