Hunan Province refined four advantages in practice, got to know that the driver for the rise of Central China lies in enlarging opening up, and summarized the following points: to open to both domestic and overseas investors, attract both domestic and foreign capital, seek cooperation with both domestic and foreign partners, open up both domestic and international market, face reality, promote and absorb outside investment and encourage private capital is an important motive force, strategic measure and realistic choice for Hunan in quickening the development. This article clearly points out the five important fields that Hunan seeks for domestic and foreign cooperation in. By Editor Hunan Province refined four advantages in practice, got to know that the driver for the rise of Central China lies in enlarging opening up, and summarized the following points: to open to both domestic and overseas investors, attract both domestic and foreign capital, seek cooperation with both domestic and foreign partners, open up both domestic and international market, face reality, promote and absorb outside investment and encourage private capital is an important motive force, strategic measure and realistic choice for Hunan in quickening the development. This article clearly points out the five important fields that Hunan seeks for domestic and foreign cooperation in. By Editor