The 12 sets of stone mill flour mills have low rotation speed and low grinding temperature, which will not damage the nutrients in wheat. The equipment is equipped with two sets of compound mills for grinding, effectively improving the flour yield. It is suitable for large-scale stone mill flour processing. The ground flour is * * flour, without any additives, with good taste and high nutritional value. Using stone mills to grind flour can avoid the damage of high temperature and high pressure to the nutrition of flour during large-scale mechanical production, thus retaining more nutrients in the flour.