On 24th March 2011,an Mw6.8 earthquake occurred in Northeastern Myanmar,close to Thailand and Laos.We utilize both the ascending and descending orbit ALOS PALSAR data to obtain the coseismic deformation of this event.We also use a quadratic surface to remove the long wavelength orbital ramps related to imprecise orbit information.In addition to phase measurement,we also use offset-tracking technique to obtain coseismic deformation and fault trace,which can assist to construct the fault geometry.The fault slip distribution of Myanmar earthquake is inferred from the InSAR observation based on Okada half-space elastic model.The result shows that there is large sinistral strike-slip in the fault concentrating in the depth above 10 km,with a little dip-slip component.The maximum slip of 5 m is observed at a depth of 5 km.The inverted seismic moment is 2.49×1019N•m (Mw6.8).