After discussing the frequency, aetiology, pathogenesis, possibilities for gynaecological surgery of true prolapse of the vaginal vault, which is limited of general vaginal prolapse following hysterectomy, were given information about own results of treatment in seven true cases (--0,65%) within eleven cases of prolapse of the vaginal vault under 1075 hysterectomies. The vaginal excision of peritoneal prolapse and plastic correction of the vaginal vault for preserving the functional capacity for intercourse were carried out with success in all the seven cases in one case bye the methode of SYMMONDS and PRATT. An anterior colporrhaphy snd a posterior colpoperineorrhaphy were carried out in other four cases. Hints were finally given for prophylaxis of prolapse of the vaginal vault.