You can use first-grade japonica rice for cooking porridge. Because japonica rice can be divided into first grade, second grade, etc. according to accuracy. Japonica rice is the seed kernel of japonica rice, also called rice. Its appearance is oval or oval, relatively sticky and translucent. There are many ways to make japonica rice, and it can be used to make Sanbao japonica rice porridge, pine nut japonica rice porridge, polished rice and white sugar porridge, colorful japonica rice porridge, etc. When storing japonica rice, the japonica rice needs to be sealed and stored in a ventilated and dry place. First-grade Japonica rice is better.