Objective To ensure the full contents of iodine in salt in the market of Fugou County so as to let the residents use eligible salt for prevention of IDD.

Objective To investigate the situation of iodine deficiency disorders (IDD) and to assess the outcome of iodine-salt intake for IDD prevention in Xianning city.

Tea in bags was produced from seaweed in covering way. It hasn't specialsmelling of fish. It contains many iodine. It can prevent and cure iodine deficiency dis-ease.