Abstract: Objective To evaluate whether the requirement for iodine deficiency disorder eradication has been met in Ansai, Shaanxi province. Methods Students aged 8-10 years were selected from 4 schools in county town of Ansai to conduct urine iodine detection and thyroid gland palpation from 2011 to 2014. Results The annual urine iodine median was 276.5 g/L, 267.6 g/L, 193.5 g/L, 172.1 g/L and the annual goiter rate was 1.0%, 0, 0 and 0 respectively among the students surveyed. The average annual salt iodine content was 38.0 mg/kg, 33.1 mg/kg, 30.3 mg/kg and 26.0 mg/kg respectively. The qualified rates were all 100%. Conclusion The iodine nutrition status of urban residents in Ansai was appropriate, indicating that the requirement for iodine deficiency disorder eradication has been met.