固原县南郊乡是我区水土中缺碘地区之一,作者于1987年在该乡进行了地克病的流行病学调查。在全乡16569人中,确诊地克病31例,患病率为0.19％。其中男24例,女7例,男女之比为3.4:1。年龄最小26岁,最大65岁,其中30～49岁26例,占患者数的83.9％。患者的临床特点为多数呈神经型, Southern suburbs of Guyuan County is one of the areas lacking iodine in water and soil in our district. The author conducted an epidemiological investigation of Dick’s disease in the township in 1987. Of the 16,669 people in the township, 31 cases were diagnosed with Crohn’s disease, with a prevalence of 0.19%. There were 24 males and 7 females with a ratio of 3.4: 1. The youngest 26 years old, maximum 65 years old, of which 30 to 49 years old in 26 cases, accounting for 83.9% of the number of patients. The clinical features of patients were mostly neurological,