The Anninghe-Zemuhe fault zone is located at the junction of the Sichuan-Yunnan block,the Bayan Har block and the Southern China block,and is an important eastern boundary of the Sichuan-Yunnan block. The Rayleigh wave group velocity maps of 4~20s in this area are obtained with ambient noise tomography method,using two years vertical component ambient noise data recorded by 187 broadband seismic stations around the Anninghe-Zemuhe fault zone. Compared with previous studies,the lateral resolution has been improved greatly in this paper. The resolution is about 20km in the central Anninghe-Zemuhe fault zone,and 20~40km in other regions. The imaging results show that the velocity structure of the middle-upper crust in the Anninghe-Zemuhe fault area has obvious lateral inhomogeneity. The velocity structure is basically consistent with the surface geological structure,and the velocity maps differ little at different periods. The Yanyuan Basin,the Xichang Basin and the southwest margin of the Sichuan Basin are characterized by low velocity anomalies. The high speed anomalies near Dechang-Yanbian-Qiaojia, near the southern part of Jiulong are related to the exposed granite bodies and the Emeishan basalt. In the southern segment of Anninghe fault and the northern segment of the Zemuhe fault zone,there are obvious velocity contrasts between the two sides of the fault. The middle and upper crust in the vicinity of the Gongga Mountain is characterized by obvious low velocity anomalies. The obstruction of the high speed bodies in the east and the southwest sides of the Gongga Mountain,and the changes in the strike of the Xianshuihe fault and Anninghe fault,form a compression bending section in this area,making the south-east horizontal movement of the Chuandian block transfer to compress effect perpendicular to the fracture and vertical deformation,resulting in rapid vertical uplift of the Gongga Mountain.