本文用逐户调查的方法对土族10076人的精神病进行调查。此法优于线索调查,较准确,是一种理想的调查方法。结果总患病率为11.02％,女性多于男性。其中精神分裂症为1.49‰,精神发育不全为2.28‰,癫痌为2.98‰,癔病为3.28‰,其他1.0‰。认为癔病、癫痌,精神发育不全为我省农村土族的常见精神疾病。文中并对有关问題进行了讨论。 This article investigates the mental illness of 10076 Turks with the method of household survey. This method is better than clues, more accurate, is an ideal method of investigation. Results The overall prevalence rate was 11.02%, more women than men. Among them, schizophrenia was 1.49 ‰, mental retardation was 2.28 ‰, epilepsy was 2.98 ‰, hysteria was 3.28 ‰, other 1.0 ‰. That hysteria, epilepsy, mental retardation for the rural areas of our province is a common mental illness. The article also discussed the relevant issues.