With the increase of in aging population, the prevalence of diastolic heart failure (DHF) is gradually increased, and is a serious threat to the life of the elderly. The current diagnostic methods have certain limitations to the diagnosis of DHF, and its diagnostic criteria are not identical in the heart failure guidelines from different countries. What’s more, the existing therapeutic regime can not alter the natural course of DHF and improve its prognosis. Therefore, DHF becomes the a research focus. The This article aimed to introduce the new progress in the pathogenesis, diagnosis and treatment of DHF.