The Leuconostoc mesenteroides,Lactobacillus plantnrumand Lactobacillus brevis inoculate in theA1-A8 mediums to educate respectively.Observingits growth condition,comparedthe mediumsin which germs growwell and synthesized.prepare newmediums of A9-A12 to test again,the result showthat the A11 is Leuconostocmesenteroides’most suitable medium,the A5 and A12 are Lactobacillus plantnrum’s most suitable medium,the mostsuitable mediumof Lactobacillus brevis is A12.