AIM: To determine the prevalence and development regular pattern of astigmatism in cataract of middle aged and senior citizens in a district of Hubei. METHODS: The data of corneal astigmatism and astigmatic axial in 4558 cases with cataract of middle aged and senior citizens with cataract in a district of Hubei were measured. RESULTS: Corneal astigmatism was 50-100 degree for 31.90% in cataract of middle aged and senior citizens. The percentage of 50-100 degree of astigmatism was maximum in every age group and gender, and the tendency was that number of person against the rule was more than that with the rule in cataract of middle aged and senior citizens. CONCLUSION: Corneal astigmatism of 50-100 degree is present in most cataract of middle aged and senior citizens,it is maximum and higher in about 31.90%, with no differences between the various age groups and gender. There is tendency that the number of person against the rule astigmatism is more than that with the rule.