Glutinous rice flour is made by soaking glutinous rice overnight, grinding it into pulp with a water mill and hanging it in a cloth bag overnight. When the water drops dry, the wet glutinous rice flour dough is broken and dried, which is the finished glutinous rice flour. Of course, you can also buy it in the supermarket. Jiaozi, Yuanxiao and other foods and family snacks can be included, which is famous for its unique flavor. So it is also called water mill powder and river powder.

Glutinous rice is rice from which glutinous rice is shelled. In China, it is called glutinous rice in the south and glutinous rice in the north.