Is there any way to prevent eating iron from rusting? Yes A piece of iron rusts because it constantly absorbs oxygen. The oxygen in the air is the external cause of rust, while the internal cause of rust is the constant absorption of oxygen, and the external cause always works through the internal cause. That is to say, if iron does not absorb oxygen, what can iron do even if there is oxygen in the air? (From a philosophical point of view. It is impossible for iron in nature to react without oxygen. People in social life, however, can resist the influence of all kinds of incorrect ideological tendencies and bad atmosphere and keep their true colors. During the revolutionary war, Fang Zhimin spent tens of millions of dollars not to be greedy: during the socialist construction period, "Good Eight Company on Nanjing Road" lived in the downtown area, spotless; During the period of reform and opening up, the armed police soldiers in the embassy district of Beijing were unmoved by the temptation of money and beauty, which was enough to make us think deeply. In short, "flies don't bite eggs that haven't been sewn", as long as you are strict with yourself, you can completely prevent "rust eating iron". (Three examples in three periods are well chosen, which is in sharp contrast with Wang in the previous paragraph. Narrative examples are concise)