Fermenta tiv e so ymilk bev erag e is made that so ymilk is fo rmented by lacticacid sta rters, then add cane sug ar, sta bilizer, acidness a nd a septic- w ater mixing.Seeking the best co ndi tio ns for fermentatio n, hav e L9 ( 34 ) or tho- g onad - test , anddetermine 7% for solid soybea n, 9% for cane suga r, L /St r propo rtio n fo r 1: 3, 37℃ fo rfermentativ e temperature, v accinal amount fo r 5% , 14h for fermentiv e time, lactic acidsta rters genera tion and g ro uth are the fastest . Al l kinds of ma terial are rightpropor tion, so people feel the bev erage exquisi te, and uniqul flavo r character, plenty ofnut ri tion and sani fied functio n.