To evaluate the reasons and the dealing ways of postoperative complications of trabeculectomy in the management of primary angle-closure glaucoma-shallow anterior chamber and descemet membrane detachment. METHODS:Totally 160 cases(187 eyes) of primary angle-closure glaucoma underwent trabeculectomy, postoperative complications-shallow anterior chamber and descemet memberane detachment were observed. RESULTS:There were 33 eyes(17.65%) that incurred shallow anterior chamber, in which 1 occurred choroidal detachment and finally cured after conservative treatment. 5 cases (6 eyes) performed anterior chamber injection of sodium hyaluronate,after operation in which 1 occurred both eyes descemet membrane detachment,finally right eye which detached widely cured after 3 times injections of gas in the anterior chamber,as detached less than one-third,left eye was untreated. CONCLUSION:Trabeculectomy in the management of primary angle-closure glaucoma must be performed lightly and accurately in order to reduce and avoid the occurrence of serious complications.