Ancient physicians often used ginseng soup to replenish their vitality when treating patients with extremely weak health. However, some poor families had no money to buy ginseng, so they used rice oil instead of ginseng soup, and the effect was also very good. When we cook porridge, when the porridge boils for a period of time, the top layer can float thick rice foam, shaped like ointment, and gently skim it out with a spoon. This is what Chinese medicine calls rice oil, commonly known as porridge oil. Chinese medicine believes that after rice porridge is boiled, a large part of nutrients enter the soup, among which rice oil floating on it is the most nutritious, which is the essence of rice porridge, and its nourishing power is the strongest, no less than ginseng. According to "Compendium of Materia Medica" written by Zhao Xuemin in the Qing Dynasty, rice oil can nourish yin and strengthen strength, make the five internal organs fat and the black and thin people eat it, and it will be fat and white in a hundred days. Ancient physicians often used ginseng soup to replenish their vitality when treating patients with extremely weak health. However, some poor families had no money to buy ginseng, so they used rice oil instead of ginseng soup, and the effect was also very good. If the elderly often eat rice oil, it can replenish kidney essence and prolong life; Maternal women, chronic gastroenteritis and other patients with chronic diseases often have different degrees of deficiency of vitality. It is advisable to eat rice oil regularly to replenish vitality and increase strength, so as to promote the early recovery of the body. When eating, rice oil can generally be eaten on an empty stomach. Traditional Chinese medicine believes that salt is salty and enters the kidney meridian. If a small amount of salt is added when taking rice oil, it can lead medicine into the kidney meridian and enhance its efficacy. After taking out the rice oil, adding a little salt and taking it on an empty stomach can treat male infertility. It can be seen that the rice oil also has an aphrodisiac effect. In order to obtain high-quality porridge oil, the pot used for cooking porridge must be brushed clean, and there must be no oil stain. When cooking, it is best to choose a small fire and simmer slowly, and no seasoning can be added. The rice oil of fresh rice has a protective effect on the stomach and is suitable for patients with chronic gastritis and gastric ulcer, while the rice oil stored for too long has an ulcer effect. Therefore, the rice used for porridge must be high-quality new rice.