The stone mill flour mill has the characteristics of low-speed grinding, so that the temperature of grain in the processing project does not increase much. The natural friction between stone mill and grain not only reduces the loss of nutrients, but also the minerals contained in stone mill increase the nutrition of flour.

石磨面粉機是由兩個圓形石頭上下組合而成的，傳統的圓石都是經過純手工所雕鑿成扁圓柱形，在兩扇圓盤鑿出一道道斜紋，叫磨齒。石磨磨齒制作是一項很強的復雜技術,其合理、自然、科學的設計特征,必須要手工調制，它的角度、尺寸、間隙是一切現代化工具不可替代的！上面的磨盤還鑿上孔，與下盤咬合，固定在一個架座上，且下扇中間有一短的立軸，用鐵制成，上扇中間有一個相應的空套，兩扇相合，下扇固定，上扇才能繞軸逆向轉動。

The stone mill flour mill is composed of two round stones from top to bottom. The traditional round stones are carved into flat cylindrical shapes by hand, and the two discs are chiseled with twill lines, called grinding teeth. The manufacture of stone grinding teeth is a strong complex technology. Its reasonable, natural and scientific design features must be manually modulated. Its angle, size and clearance are irreplaceable by all modern tools! The upper grinding plate is also chiseled with an upper hole, engaged with the lower plate and fixed on a frame seat, and there is a short vertical shaft in the middle of the lower fan, which is made of iron, and there is a corresponding empty sleeve in the middle of the upper fan. The two fans are combined, the lower fan is fixed, and the upper fan can rotate reversely around the shaft.

同時，兩扇的接觸面有一個空膛，叫作“磨膛”。膛的外周還有此起彼伏的磨齒，上磨還留有磨眼，磨東西的時候，谷物通過磨眼流入磨膛，均勻地分布在四周，被磨成粉末，從夾縫中流到磨盤上。

At the same time, there is an empty chamber on the contact surface of the two fans, which is called "grinding chamber". There are grinding teeth on the periphery of the chamber one after another, and there are grinding eyes on the upper grinding. When grinding things, grain flows into the chamber through the grinding eyes and is evenly distributed around. It is ground into powder and flows to the grinding plate from the crevice.

石磨面粉機的上扇在作旋轉運動，其磨齒與下扇的磨齒相互間咬合以及相錯，而形成很微小的升降運動，于是上下扇之間便出現了瞬息的齒隙，使加工的糧食通過上扇的孔道不斷進入磨齒。面粉就在這樣的研磨中生產出來。

The upper fan of the stone mill flour mill is rotating, and its grinding teeth and the grinding teeth of the lower fan are engaged and staggered with each other to form a very small lifting movement. Therefore, there is a momentary tooth gap between the upper and lower fans, so that the processed grain continuously enters the grinding teeth through the hole of the upper fan. Flour is produced in such grinding.