Abstract: In order to raising the level of sweet potato industry in Fujian province, the sweet potato in Fujian province′s coastal area has been analyzed in the paper.The analysis was based on the statistic data from twentythere counties and cities in the province′s southeaster coastal areas, including planting areas, yield, cultivated varieties and cultivation techniques changes every five years from 1975 to 2012.The result showed planting areas had slowly declined during 30 years but held superior area in those regions in 2012.But unit productions had increased in this period.Planting areas and unit productions change trend differ contemporaneous trend in china.We believe variety renewal, improving in cultivation techniques, spending habits of sweet-potato and traditional sweetpotato culture in this area are the mainly reason of change trend described above.Finally, suggests for the improvement recommendations are made, including constructing high-quality seed tubers base, strengthening sweet potato breeding and new cultivation techniques research and demonstration.