“If you don’t have ideals, what’s the difference between you and a salted fish?” is the famous line of Stephen Chow in Hong Kong movies. However, this “salted fish” suddenly turned into a net star and exploded in the circle of friends, only because of the “carcinogenic” hooked up with. Chinese salted fish refers to the kind of salted fish that we normally eat salted and exposed to the sun. In the preparation process, salted fish is salted with a high concentration of salt, which makes the fish dehydrated. In this process, many nitrite-like substances are generated, which are transformed into strong carcinogenic nitrosamines, such as nitrosodimethylamine, in the acidic environment of the human stomach. These substances are the main cause of cancer in Chinese salted fish. Since salted fish is carcinogenic food, can we still eat salted fish? “In fact, we do not have to worry too much, because class 1 carcinogenic substances refer to substances that are confirmed to contain substances that can cause cancer, but eating the foods listed in the list does not necessarily mean that you will suffer from cancer, and not eating them at all does not necessarily mean that you will not get cancer, which is related to the amount and frequency of eating.” Huang Yufang pointed out that cancer is the result of a combination of various factors such as genetics, environmental factors, lifestyle and dietary habits, and is not caused by a single factor. As long as it is consumed scientifically and reasonably, salted fish is not completely inedible. How to eat the “Chinese salted fish”? Love to eat salted fish do not forget to add vegetables, for some people like to eat salted fish is recommended to eat as little as possible, 1-2 times in a month, each time eat only a little. While eating salted fish, you can eat more vitamin C-rich vegetables and fruits. Vitamin C can prevent cancer by blocking the synthesis of carcinogenic N-nitroso compounds. At the same time, vegetables are rich in dietary fiber, dietary fiber can promote the body’s bowel movements, thereby reducing the absorption of nitrite in salted fish.