30 patients with malposition of IOL were operated (30 eyes, 12 males, 18 females), in which 5 eyes with the IOL dropped in the vitreous cavity, 13 eyes with the decentration of IOL, 12 eyes with the IOL displaced into the pupil. Especially, 16 eyes with early severe malposition of IOL after operation 2 weeks. After operation, 29 eyes with the reposition of IOL were centrated. However, after 12 months 9 eyes with recurrent of malposition of IOL. Especially, 16 eyes were operated in early postoperation stage by I and III methods showed good results. These eyes with recurrent of malposition of IOL were operated in late postoperation stage