The spore of bacillus is elliptic or columnar, the colony is rough and dirty white or yellowish in 1 introduction 4, the edge of the colony is irregular and wrinkled, the spore grows from the middle to the end, the cyst is not obvious, and it can produce the capsule and peri-flagella.Bacillus can be used for starch hydrolysis, gelatin liquefaction and reduction of nitrate to nitrite