The frequency of japonica rice appearing in people's lives in China is also quite high. Cooking porridge with japonica rice has a history of 2000 years in China. The top layer of porridge oil can replenish fluid and essence, which is of great benefit to nourishing yin and tonifying kidney essence, and is most suitable for patients, parturients and the elderly. Japonica rice has the functions of strengthening the spleen and stomach, invigorating middle qi, nourishing yin and promoting fluid production, relieving vexation and thirst, moistening intestines and stopping diarrhea. Can be used for spleen and stomach weakness, polydipsia, malnutrition, post-illness weakness and other symptoms, but diabetic patients should be careful not to eat more.