Along with the wide application of silicone gel implants in augmentation mammaplasty, more complications appeared. The author reported 24 cases of complicationssince 1989, including one case of heamtoma, one case of infection, two cases of injury of the sensory nerves to the nipple, four cases of asymmetric breast (as ymmetry in position and size), three cases of deformed appearance, six cases of constracture of the fibrous coating membrane, one case of rupture of prosthesis,one case of sinus formation and three cases of abnormal milk secretion. The causes of the complications and their prevention were discussed.