Conclusion The incidence of hyperthyroidism in people living in Xinhui area is high.Consumption of foods with high iodine content may be a risk factor.

• 结论新会地区人群的甲状腺功能异常者较多，甲状腺疾病发病率比较高，究其原因可能与高碘饮食等有一定关系。