Abstract:Objective To understand the contaminants, such as heavy metal, orgnaophosphorus, carbamates, organochlorine, sodium cyclamate in some food products in Dalian. Method Detecting heavy metals, orgnaophosphorus, carbamates, organochlorine and sodium cyclamate in foods according to GB/T 5009 food sanitation analysis methods. Results Lead content in 5 of 39 samples was over the qualified standard. Chromium and mercury content were not over the qualified standard. Durshan residue was detected and exceeding standard in 1 of 50 vegetable samples. Cypermethrin residue was detected in 2 and exceeding standard in 1 of 50 vegetable samples. Bifenthrin residue was detected in 1 of 10 tea samples. Orgnaophosphorus and carbamates, organochlorine and pyrethroid pesticides, and sodium cyclamate were not detected in any sample. Conclusion The contamination of lead in fishery products were obvious in Dalian. Strengthening supervision and controlling pollution is needed. Pesticide residue levels were low, and detected only in a few tea and vegetable samples.