In order to investigate the chemical contamination in vegetables and meats,108 vegetable samples of 6 categories,30 pork and 15 chicken samples were collected from 14 cities of China.The residues of chemical contaminants were analyzed following the standard analysis methods.The contaminants included lead and arsenic,methamidophos and chloamphenicol.The results indicated that the contents of lead,arsenic and chloamphenicol in 45 meats samples,the contents of arsenic in 108 vegetable samples were all met MRL of China.The content of lead in 1 of 108 vegetable samples was greater than MRL of China.The detection rate of methamidophos in vegetables was 12%.The highest detection rate of methamidophos was found in cabbages,which was 27 7%.