Abstract: Lactobacillus buchneri is a heterotype ferment lactic acid bacteria which has been approved by FDA in 2001 and can be as silage inoculated bacteria,and it has significantly different action means and effects on silage from isotype ferment lactic acid bacteria.There have been many researches about increasing the aerobic stability of silage.Effects of Lactobacillus buchneri on silage fermentation and the aerobic stability of silage were introduced in order to provide reference for study and practical production.