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按不同地区的不同地理位置随机抽取８１所小学校８～１０岁学龄儿童计８５６０名，进行了碘营养状况调查，触诊法的甲肿率为３２．６％，Ｂ超对比甲肿率为２７％。尿碘中位数为９６．０６μｇ／Ｌ，其中最高的郊区、县达１３２．２μｇ／Ｌ，滨海区为１１８．３μｇ／Ｌ，而市中心六个区尿碘中位数仅为５８．４７μｇ／Ｌ。饮用水含碘量平均为３９．８μｇ／Ｌ，市区饮用水仅为５．６μｇ／Ｌ。同时对７９７名学生进行了瑞文氏智力测定，平均智商（ＩＱ）值为１０６．１８±１４．０６，其中极优秀者为３９人，占总数的４．９％，优秀人数为１１２，占１４．１％，二者合计占总调查人数的１８．９％。智力落后儿童１４人占１．７％。ＩＱ频数分布向中上水平偏移，市区、郊区、县与滨海地区的智力落后分布无明显差别（μ＝１．７６Ｐ＞０．０５）。调查的病情指标和生化指标均表明天津市属碘缺乏重病区，拟实施全民补碘措施。
According to the different geographical locations in different regions, 8560 school-age children aged 81-10 were randomly selected from 81 primary schools. The iodine nutrition status survey was conducted. The thyroid cancer rate was 32.6% in the palpation method and 27 %. The median urinary iodine was 96.06μg / L, of which 132.2μg / L in the highest suburbs and counties and 118.3μg / L in the coastal areas, while the urinary iodine median in the six districts was only 58.47μg / L. The average iodine content of drinking water is 39.8μg / L, drinking water in urban area is only 5.6μg / L. At the same time, Reynolds intelligence was measured for 797 students with an average IQ of 106.18 ± 14.06, of whom 39 were excellent, accounting for 4.9% of the total, with an outstanding number of 112, accounting for 14.1%, both together accounting for 18.9% of the total number of inquiries. 14 children with mental retardation accounted for 1.7%. IQ frequency distribution shifted horizontally to the upper and middle level. There was no significant difference in the mental retardation between urban areas, suburbs, counties and coastal areas (μ = 1.76P> 0.05). Investigation of the disease indicators and biochemical indicators have shown that Tianjin is a severe iodine deficiency area, to implement universal measures for iodine.