Water starch starch is generally used mung bean starch, potato starch, wheat starch, diamond, lotus root starch and so on.

Water starch is dry starch to add water, and together called water starch. Fried things are usually patted dry starch, or use the egg liquid with dry starch. The starch used for thickening, also known as dough powder, is a polysaccharide polymer condensed from multiple glucose molecules.