Abstract：Using the GPS data of 1999-2018 and the precise leveling data of two periods in 1974 to 2014(1974-1984, 2013-2014), we study the characteristics of present-day 3D crustal movement of Sichuan-Yunnan region. The results show that: 1) The horizontal movements are mainly inherited activities, and the rotation of southwest Yunnan has weakened obviously in recent years. The stress fields in the western Longmenshan fault and the eastern boundary of Sichuan-Yunnan rhombic block have readjusted due to the Wenchuan earthquake; the adjustments have weakened obviously in recent years, which are recovering to the pre-earthquake state. 2) The vertical movements exhibit a different uplifting on the whole, with the uplift rate in the northwest Sichuan-Yunnan obviously larger than that in the southeast. The uplift rate of the northern plateau of Longmenshan fault zone is 3-4 mm/a, the uplift rate of the plateau in the western Sichuan is 1-3 mm/a, the uplift rate of the northwest Yunnan is 1-2 mm/a, the subsidence rate of Simao and Jiangxi village in the southwest Yunnan is 2-3 mm/a, and the movement rate of other parts of Sichuan-Yunnan region is basically －1-1 mm/a. 3) There are normally some vertical differential movements on both sides of the main active faults, especially Xianshuihe and Longmenshan faults, which have segmented characteristics. 4) The horizontal movement and vertical movement in the Sichuan-Yunnan region show good consistency in geological structure. Recently, the horizontal movement of the plateau in the western Longmenshan fault has slowed down and the compression deformation has weakened. It may indicate that the region is gradually entering a new period of energy accumulation, which requires continuous attention.
