The stability tsis were applier! on animal live virus and bacaial vathnes. The results shoI that nost of live vaccines could keep quit a gocd stability when stoner! in gcxd condition, eseially Canine distqer vaccine, But only one-fourth of LPC vaccines could maintaing 1/iCC effer,ive dose Wore expire dat and Swine Erysie]as bactrin duet live lesrrial nurnker derreaserl rather rapidly. These suggest vaccines’ rneservative media escripilon might neal ke hnpvsl urgently.