Because most of the main ingredients in the porridge are coarse grains, the texture will be relatively hard, it is difficult to cook directly, it will take a long time, so the porridge is generally not recommended to cook directly, it will be softened in advance with water and then boiled will be better, because in the process of soaking, the ingredients will be absorbed into the expansion of the texture of the loosening, it will be relatively easy to cook, which is easier to precipitate the nutrients. It's easy to analyze.