Wash brown rice, black beans, red beans, soybeans, mung beans and green beans, soak them in cold water for 2-3 hours respectively, take them out and drain them.

Add about 2000 ml of cold water to the pot, add all brown rice, black beans, red beans, soybeans, mung beans and green beans, first boil over high heat, then simmer for 45 minutes, while stirring.

After the porridge is soft and rotten, turn off the fire, add sugar to taste, and continue to stew for 5 minutes before serving.