In Thailand which has found that the cadmium contaminated in environment at Mae Sot, Tak Province in the years 2541-2544. The results showed the concentration of cadmium in soil samples from the field. The value is in the range 3.4 to 284 mg / kg. The samples for quality grain from the fields. Cadmium contamination was found 0.1 to 44 mg / kg., height above average cadmium in rice of Thailand. Such contamination by 95% higher than the maximum allow of CODEX Committee on Food Additives and Contaminants (CCFAC) which is defined at 0.2 mg/kg.(Department of primary industries and Mine, 2547). Contaminated with high concentrations of contaminant levels are dangerous, causing Itai-Itai disease(suwannachote, 2009).