Expensive. 10 yuan is about a kilo, and the price varies from region to region. Lotus root starch is a snack with red lotus root starch, pure lotus root starch, rock sugar lotus root starch and so on. There are bags and cartons in the market, mostly15-20g in a small bag, which is light-colored and powdery. It needs 250-300ml of boiling water to be brewed and stirred to be translucent, which is slightly lotus root-colored, and the entrance is smooth. As a health food handed down from generation to generation, it is rich in trace elements such as iron, Fe and vitamin B 12, and its main function is nourishing blood, especially suitable for women.