AIM:To increase the cataract surgery patients understanding extent to disease related knowledge, reduce preoperative anxiety emotions, increase patients cooperating ability during surgery;strengthen the autonomy of patients who undergo bad behavior and improve the self-conscious ability after operation. METHODS:Divided the 912 cataract patients(912 eyes) who have taken phacoemulsification combined with intraocular lens implantation(PEA+IOL) into control group 424 cases and experimental group 488 cases according to the different wards. The control group undertook traditional health education, while the experimental group used the slides, together with the nurses interpretation, explained the disease related knowledge vividly, such as how to use eye drops correctly, the operating rooms layout, operation process and procedure, the key points of postoperative nursing and matters that should pay attention, etc. RESULTS:Among these two groups of patients with cataract disease, the understanding extent to cataract related knowledge, preoperative anxiety level and sleeping quality, compliance extent to medical treatment and the self-consciousness extent of avoiding bad behaviors are statistically significant (P<0.01). CONCLUSION:The application of multimedia to cataract surgery patients for health education can greatly improve the patients understanding and mastering extent to disease related knowledge, thereby reducing preoperative anxiety and noticeably improve preoperative sleep quality. As the patients got enough understanding to this disease, they could voluntarily comply with the doctors prescription, consciously avoid unhealthy behavior; actively correct unhealthy habits, so that improve the satisfaction to the nursing services.