Since 1966 hearing checkup has been carried out in Sendai-city. This paper reported the result gathered from data of hearing test in 1970, 1971 and 1972. Number of school children received screening test were 20, 959 in 1970, 21, 479 in 1971, and 22, 684 in 1972. The test was performed for first grade by audiologists and for third & fifth grade children by nursing teachers. As the result, there are an eminent difference in percentage of appearence for hearing children between first and third & fifth grade school children. (first grade: 3.21%, third grade: 1.24%, and fifth grade: 1.22%) This data indicates that the screening test must be done carefully.
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