Abstract: There is a close relation ship between the human survival conditions and geological environment.Taken the Kashin-Beck Ward in the Ruoergai County as an example,this article examined the relationship between the distribution of the Kashin-Beck disease and the geological environment,lithology,topography,soil,drinking water and diet.The results show that in the Ruoergai region there is a close relationship between the Kashin-Beck disease incidence and the characteristics of the geological environme...