Abstract: To understand current situation of pesticide pollution in food，leek pesticide residue in Shanxi province was sampling inspected.Total number of leek samples was 110.Test methods were in accordance with NYT 761—2008，GBT 19648—2006，GBT 20769—2008 and GBT 5009.147—2003.Judgment method was refer to GB 2763—2014.Results showed number of unqualified samples was 21，reject′s percent was 19.1%，and it was higher than other provinces of sampling test results.Through this test of pesticide residues in leek，it was found that leek quality safety conditions still needed to further strengthen and cause attention of authorities.