The emergence of “Big Data” has been a dramatic development in recent years.Alongside it,a lesser-known but equally important set of concepts and practices has also come into being—“Smart Data.” This paper shares the author’s understanding of what,why,how,who,where,and which data in relation to Smart Data and digital humanities.It concludes that,challenges and opportunities co-exist,but it is certain that Smart Data,the ability to achieve big insights from trusted,contextualized,relevant,cognitive,predictive,and consumable data at any scale,will continue to have extraordinary value in digital humanities. The emergence of “Big Data ” has been a dramatic development in recent years. Alongside it, a lesser-known but equally important set of concepts and practices has also come into being - “Smart Data. ” This paper shares the author’s understanding of what, why, how, who, where, and which data in relation to Smart Data and digital humanities. It concludes that, challenges and opportunities co-exist, but it is certain that Smart Data, the ability to achieve big insights from trusted, contextualized, relevant, cognitive, predictive, and consumable data at any scale, will continue to have extraordinary value in digital humanities.