[目的]了解老年人便秘状况及排便时间与排便次数对老年人便秘的影响。[方法]采用罗马Ⅱ便秘诊断标准对26省老年人进行调查。[结果]老年人中便秘的发生率为37.37%,排便时间和次数影响便秘的发生,差异有统计学意义,P﹤0.01。[结论]老年人应养成良好的日常生活习惯,降低便秘的发生。 [Objective] To understand the constipation condition and the influence of defecation time and defecation frequency on senile constipation in the elderly. [Method] The diagnostic criteria of Rome Ⅱ constipation were used to investigate the 26 elderly in the province. [Results] The incidence of constipation in the elderly was 37.37%. The time and number of defecation affected the occurrence of constipation, the difference was statistically significant (P <0.01). [Conclusion] The elderly should develop good daily habits and reduce the incidence of constipation.