Abstract: The cine film,as a kind of important historical and cultural heritage,is an important part of the archives protection works.The cellulose triacetate base cinefilm is the largest group in library collections,the acetic acid syndromes is produced from the hydrolysis of the cellulose triacetate ester base film under the storage condition of high temperature and humidity and other adverse environment.Acetic acid syndrome has become the major diseases which threaten the archives preservation of cellulose triacetate cine film,which is considered the cancer of cine film.This paper summarizes the hazards and analyses the reasons of acetic acid syndrome,and preventive measures are introduced.

Key words: cine film, acetic acid syndrome, hazards, preventive measures