Recently, ministry of Public Health is released new " edible salt iodic content " announcement, requirement each district can be according to the circumstance on formulary level foundation iodic to salt content undertakes adjustment, gave out the float space of 30% . As we have learned, the current level photograph before new standard and this is compared, the ceiling of salt iodic content was reduced 50% . Announcement requirement each district carries out new edible salt iodine from March 15, 2012 content standard. According to announcement requirement, service of sanitation of each province, municipality, municipality directly under the Central Government needs to arrive in 20mg/Kg inside the average level limits of 30mg/Kg, according to each district iodic to edible salt content has level of actual iodic nutrition adjust, the float of 30% can allow on this average level regulation. As we have learned, before new standard and this " agent of food nutrition aggrandizement uses wholesome level " the regula