When cooking rice in an electric cooker, add a piece of binchotan charcoal and cook it at the same time. It can exert the far-infrared function of the charcoal and cook the rice core thoroughly. The rice will expand and become soft, making it more fragrant and healthy. Before use, rinse the Binchotan charcoal with clean water and boil it in boiling water to sterilize it. Wash the boiled Binchotan charcoal and put it into the electric pot together with the white rice. It will not stain the rice and the white rice will swell and become soft. More fragrant and delicious. After using Binchotan charcoal, rinse it and dry it in the sun before continuing to use it. One piece of white charcoal can last for about 3 months.