This paper analyzed the spatial-temporal changes of ecosystem services value (ESV) based on the data of land use from 1996 to 2004 in Zhanjiang City. The results showed: (1) the areas of cultivated land, forest land and grass land decreased, while those of garden land, residential area, industrial and mineral land, traffic land and unutilized land increased; the area of cultivated land decreased most by 11954.1 hm2, and the area of residential area, industrial and mineral land increased most by 7696.4 hm2. (2) the total ESV decreased by ￥0.5716 billion, and the rate of change was -0.44%; the value of single ecosystem services function(ESVf) of gas regulation, climate regulation, soil formation, bio-diversity conservation, food production and raw materials decreased, while those of water conservation, waste treatment and recreation increased; not only the whole function but also each function of ecosystem services weakened in all the districts of Zhanjiang City.