But when eating canned fish, you should also pay attention to that it is best not to exceed 2 cans per week (each can contains about 225 grams of fish); Among them, fried fish and smoked fish should not exceed 1 can; Pregnant women, nursing mothers and young children should try not to eat. People who like to eat canned fish should pay attention to a balanced diet, eat more fresh vegetables, fruits, beans and potatoes, and improve their anti pollution ability, so as to avoid the possible adverse effects on health caused by eating a large amount of canned fish for a long time. When eating canned fish, it is best not to eat more than two boxes a week.

Canned fish is a ready to eat canned product made from fresh or frozen fish through processing, canning, adding seasoning, sealing and sterilization.

According to the different processing methods, canned fish can be divided into braised, eggplant juice, fresh fried, steamed, smoked, oil soaked, water soaked and other categories.