In the process of frying, all the starch contained in rice was destroyed and decomposed into activated carbon. Activated carbon can suck the fat attached to the stomach and intestines and excrete it. Therefore, it is special for "scraping intestines and oil", relieving summer heat and quenching thirst, and protecting the stomach. Rice, which is at the top of the five cereals, is sweet and delicious, and has the effects of strengthening the spleen and stomach, benefiting essence and strengthening the mind, and hearing and improving eyesight. It can be made into rice tea to quench thirst, stimulate oral mucosa, promote oral fluid production, accelerate gastric wall contraction, promote pyloric opening of stomach, make water flow into small intestine and be absorbed by human body, and meet the needs of various tissues and organs. At the same time, rice tea can promote sweat secretion of sweat glands and take away heat in the body. Thereby having the effect of cooling off summer heat.