AIM:To summarize the common causes and treatment methods of the corneal epithelial defect continuously after cataract surgery.METHODS:The processing methods and therapeutic effects of different cases were observed.RESULTS:Corneal epithelial in most of the cases recovered slowly after stopping the deactivated hormone and nonsteroidal anti-inflammatory drugs,but some severe cases recovered more slower and easily repeated,especially those with diabetes,the visual function was affected by the remnant corneal macula even after the condition was stable.CONCLUSION:In order to effectively prevent the occurring of the postoperative corneal epithelial defect,preoperative relevant examinations,postoperative timely and accurate treatments are necessary.