Adipose tissue is a major site for energy storage.Increasingly,however,it has been recognized as an important endocrine organ that secretes a number of biologically active adipokines.Of these adipokines,adiponectin has attracted much attention.Many studies have showed protective effects of adiponectin on metabolic syndrome and cardiovascular diseases.Promoting the secretion of adiponectin is expected to be a novel therapeutic tool for metabolic syndrome and cardiovascular disease.