Crab is a kind of cold food. After eating it at ordinary times, the cold in the body will be aggravated, which will lead to indigestion. Watermelon is also a cold food. If eaten with crabs, it will make people's cold in the body more serious, which is not good for health. Not only watermelon, but also cold fruits such as cantaloupe, melon and mangosteen can't be eaten with crabs.

2, eat crabs can't eat kiwi fruit and oranges.

When eating crabs at ordinary times, we must pay attention not to eat fruits with high vitamin C content, such as kiwifruit and oranges, because crabs, a seafood ingredient, contain a certain amount of arsenic. When they meet vitamin C, they will react with each other to form arsenic, which is a highly toxic substance. Although the amount of this substance is small, it has obvious harm to human liver.

3. You can't eat plums and pears when you eat crabs.

When eating crabs, you can't eat fruits with tannic acid, such as plums and pears, because the content of protein in crabs is relatively high, and there will be a mutual reaction between protein and tannic acid, which will make protein decompose into substances that the human body can't absorb, which will lead to indigestion. If you don't pay attention for a long time, gastrolith will appear.