Abstract: 132 cases （134 eyes） of vitreous surgery were studied. This included 74 eyes of oculer trauma （55.2％）, 17 eyes of Eales disease （12.7％）, 13 eyes of recurrent retinal detachment （9.7%）, 10 eyes of proliferative diabetic retinopatby （7.5％）, and 20 eyes of vitreous opacity （14.9）. We used the method of closed vitrectomy combined lensectomy, encircling buckle, cryotherapy and gas-fluid exchange. After operation, 121 eyes of vitreous clear （90.3％）, postoperative vision was better than before in g4 eyes (70.1％, remained the same in 32 eyes （23%） and became worse in 8 eyes （5.9%）. Complication occurred in 17 eyes （12.7％）.