Check the quantity of iodine in salt intake compared to the standard of the Ministry of public health, from naklua area 2554 (2011). From the area of salt Tha Mai Chanthaburi. The 4 area. And Salt consumption Number 7 brand available in the market. by Iodometric titration methods found that the salt storage area there are, for example, from naklua average quantity of iodine, the majority does not follow the standard criteria, the Ministry of public health requires not less than 20 mg and not more than 40 mg. Found only one source from all four sources with iodine as the standard criteria. The average iodine was 21.15 ± 7.48 ppm. 25 percent of the salt that meets the standards of the Ministry of public health. The salt samples collected from the market 7 brands. there are brands an average quantity of iodine contained in benchmark 2 brand is the average iodine quantity value ± 29.26 2.66 ppm. and 2.80 ± 30.67 ppm quantities. 29 percent of salt that meets the standards of the Ministry of public health.