2. Prepare the required amount of red beans and coix seed respectively. Wash the red beans and coix seed separately first, remove impurities from them, add clean water again, and soak the beans.

3. If the soymilk machine has the reservation function, the beans can be put directly in the soymilk machine to make an appointment, and they can be drunk the next morning. If not, the beans need to be soaked for one night, which makes it easier to cook the soymilk.

4. Pour the soaked beans into the soymilk machine together with the soaked water, because some nutrients of the soaked beans will be lost in the water, just add the water to the water level, and continue to add if it is not enough.

5. After adding the water, add the cover of the soymilk machine, start the function of the whole grain soymilk and start to make soymilk.

6. Let the program end automatically, open the lid, and filter the cooked soybean milk with a sieve to make it more delicate. The soybean milk is put in a bowl or a cup and ready to drink.