Japonica rice is written on the rice bag to indicate the variety or name of the rice. Japonica rice is round and chubby, for example, fragrant rice belongs to the category of japonica rice. Japonica rice also includes pearl rice, long grain fragrance, rice fragrance and so on. Therefore, the rice bag is marked with japonica rice only to indicate the variety, so as to facilitate consumers to choose more suitable products. I hope my answer is helpful to you.