Abstract: Aims: Seek effective model to process iodine deficiency disorders(IDD)health education at a district of Hangzhou and supply data for IDD surveillance in this city. Methods: The program for IDD and its prevention knowledge and experiment on iodinated salts(semiquantitative test)was performed in children aged 9 to 11 years at a primary school of Hangzhou. After that,their parents,relatives and neighbors got relative knowledge through these pupils. Results: After health education,the proportion of knowledge about IDDand its prevention in pupils and their parents was significantly higher than that of before(P<0.001).94% of pupils fulfilled the test on iodinated salts successfully and assess the result correctly.The proportion of qualified iodinated salts was 92.3% (358/388). Conclusions: This prog ram model combined general knowledge with practice education item,and the main objects were pupils.It has a "magnifier" effect from school to district and has achieved sound results.