1. Wash black beans, soybeans, red beans, mung beans and purple rice, put them in a large bowl, add clean water and soak them 1 night.

Second, put the soaked beans in a steamer and steam them for 40 minutes on medium heat after the fire.

Third, after the beans are steamed, take them out while they are hot, add appropriate amount of brown sugar, mix well and let them cool.

Fourthly, add the mixture into a stirring cup several times, stir at low speed for 65438 00 seconds, and repeat twice until rice paste is formed.