On the basis of the relevant data about the inbound tourism flow of Hunan province and its different districts from 1999 to 2013, the diachronism change of the quantity and quality of inbound tourism flow for the recent 15 years is analyzed. The results show as follows: that Hunan inbound tourism flow size is increasing year by year, and the average growth rate is 28.1% for the past 15 years; Hunan inbound tourism flow quality index have fallen to the low-quality tourist flow level since 2003, and then presented the declining trend year by year; the inbound tourism development of the districts in Hunan is mostly at the low-quality and low-quantity levels in addition to Changsha, Zhangjiajie and Yueyang. Overall, the inbound tourism in Hunan province is still at the stage of transformation from extensive to intensive, as well as the future development would have a long way to go.