The technologies of keeping pickled vegetables fresh were summarized in this paper.The usual ways to keep pickled vegetables fresh included salting,killing bacteria with a high temperature,using antiseptic and vacuum packing,as well as some specific methods such as microwave sterilizing,ultrasonic cleansing,adding biologic antiseptic and compound antiseptic and the application of railing technology.By expanding the physical fresh-keeping technologies and applying compound antiseptic and railing technologies...