Abstract Based on both remote-sensing interpretation and field survey, we obtain some data about fault activity, terrace and planation of Fangxian basin and discuss the neotectonics. The preliminary analysis indicates that the fault inside basin is active in the early Quaternary but less active in late period. The boundary fault has strong activity in the late Quaternary with normal faulting, which is charcterized by extensional tectonic environment of uplift background. The characteristic of neotectonic activity presents different uplift between north and south, and the Cenozoic stratum all dips to south.