What are the good ways to prevent flour from getting wet?

It is best not to stick flour or rice on the ground and walls, and keep the ventilation normal. The most effective and traditional moisture-proof method is: don't put flour in a cloth bag. Put it in a cloth bag, it is easy to absorb moisture and agglomerate, and it is easy to get insects. You can put it in a plastic bag or a moisture-proof box. Cover the manuscript with a back cover to prevent moisture from entering.