The article studied these working procedures of the steaming, the making-leaven and the ferment in the technology of the soy.The countermeasures and reasons of the muddy soy were put forward.

• 本文通过酱油生产工艺中蒸煮、制曲、发酵等工序的综合分析,阐明了酱油产生浑浊的原因,并提出了解决的方法。