Abstract: Through measuring the profiles of the Holocen stratigraphy located at the west coastal zone of Liaoning Province、14C、the OSL dating results, synthetical sample analysis on geological environment,we distributed a suit of khaki–nacarat loose accumulations and a suit of grey gravel bearing silt-silt-clay sediments above it to the middle-late Holocene sections according to their forming eras, and established the Holocene Liuguhe、Dalinghe Groups.