碘盐必须有包装和碘盐标志。购买的碘盐要妥善保存:1、盛放碘盐的器皿应为棕色遮光的瓶或陶瓷罐并有盖;2、碘盐应放在阴凉、干燥处避免受日光直射和吸潮,避免高温;碘盐存放时间不宜过长。为了防止碘丢失,食用碘盐应注意:1、不能用水淘洗; Iodized salt must be packaged and iodized salt logo. Iodized salt purchased should be properly preserved: 1, full of iodized salt containers should be brown shaded bottle or ceramic tank and covered; 2, iodized salt should be placed in a cool, dry place to avoid direct sunlight and moisture absorption, to avoid high temperature ; Iodized salt storage time should not be too long. In order to prevent iodine loss, consumption of iodized salt should be noted: 1, can not be washed with water;