Introduction to rice tofu: Rice tofu is a famous snack in Hunan, Guizhou, Sichuan and Hubei. It is made by washing and soaking rice, adding water and grinding it into rice milk, then adding alkali to boil it, and cooling it. Rice tofu is rich in a variety of nutrients and is a weakly alkaline food that is very beneficial to human health. Therefore, some people call alkaline food "a cleanser for blood and blood vessels."