Will have moths and empty shells of the beans after taking off the wash, and then boil the water after the fire to medium heat, so that the water stays boiling, and then put the beans into the pot, every few minutes will be stirring and rolling the beans, so that the beans evenly heated, under normal circumstances about ten minutes of cooking can be cooked, cooking beans too long or too short will affect the quality of the beans and the texture.

Uncooked beans can not be eaten, uncooked beans may also carry toxicity, if consumed too much will lead to human poisoning.

After the beans are cooked and softened, it is easy to be digested by the human body. Uncooked beans are difficult to be digested by the human body, and may bring a burden to the stomach and intestines, causing discomfort.

The color of cooked beans will look a little darker than raw beans, and cooked beans will have a sweet taste, while uncooked beans will have a bitter taste.