The environmental problems are one of the world concerning issue affecting not only the nature, but also the human society and health. In Songkhla province, Thailand have awareness of chemical hazard. Some people have food contaminants , It links between diet and cancer. The evidences of PSU Cancer center shown the high incidence of Lymphoma studies are attributable largely to their foods could contain trace amounts of pesticide residues if they are exposed to contaminated water, soil or chemicals carried by the wind.