AIM:To investigate the various risk factors of cataract formation and find the intervention measures for reduce its incidence. METHODS: Two hundred and six cases of cataract from outpatients and inpatients in our hospital were collected from December 2006 to October 2009. The relationship between the physical health and cataract formation were investigated.RESULTS: Alcohol, excessive smoking, diabetes, hypertension, cardiovascular diseases, glaucoma, the concentrations of blood glucose, urea nitrogen, creatinine, blood cholesterol C, triglyceride Gu were positively correlated with the occurrence of cataract; but blood carbon dioxide combining power, calcium, phosphorus, serum total blank, albumin binding capacity were negatively correlated with the occurrence of cataract. CONCLUSION: Active treatment of primary diseases and good habits is an important factor in reducing and delaying cataract.