Abstract:In order to analyze the temporal and spatial evolution characteristics of land use in Anhui Province, this study based on the land use status map in 1980, 1995, 2000, 2005, 2010, 2015, and 2020, the evolution characteristics of land use in Anhui Province was analyzed for the past 40 years using Sankey diagrams and land use dynamic; Getis-Ord General G clustering method and multi-distance spatial clustering (Ripleys K function) method have been used to analyze the spatio-temporal pattern of land use change accumulation in Anhui Province; and the degree of single and interactive interpretation of multiple driving factors to land use change have been analyzed based on the geo-detector model. The results showed that: (1) From 1980 to 2020, the area of construction land, grassland, and water area in Anhui Province increased by 35.04%, 2.44%, and 0.75%, and cultivated land and forest land decreased by 4.63% and 0.98%, respectively; The comprehensive dynamic degree of land use has gradually increased, and the rate of change of construction land and cultivated land is relatively fast, with the highest dynamic degree reaching 3.15% and -0.39% respectively, and the change of woodland, grassland and water area is relatively stable; (2) The dramatic changes in land use in Anhui Province from 1980 to 2020 have significant clustering, and K-means clustering can be used to better classify the changes in different degrees; The agglomeration characteristics of areas with drastic changes in land use are less affected by changes in the observational scale than in areas with gentle changes; (3) the results of geographic detection show that: factors closely related to the intensity of human activities include social factors (night light data, GDP, population, distance to cities and major roads, etc.), topographical factors (elevation, slope) and the interaction between the factors are important driving forces for land use change.