A 13.76-m long sediment core(XPZK3)retrieved from Xiapu County,Ningde City,Fujian Province shows evident environmental change since the middle Holocene based on pollen and spore analysis.The value of subtropical broadleaf tree has been decreasing gradually since the middle Holocene,which is consistent with other climatic proxies from south China.This suggests that the East Asian Summer Monsoon(EASM)is mainly controlled by the summer insolation to the North Hemisphere on orbital-scale during the mid-late Holocene.Detrended correspondence analysis(DCA)based on pollen data(increasing the Pinus,upland herbs and ferns percentages)indicates that the human activity is an important factor that has influenced the vegetation in the study area since 5 000 cal.yr BP.After 1 370 cal.yr BP,the human activity has greatly changed the regional vegetation.