1. Preserved eggs can still be eaten after being cooked at high temperature. Preserved eggs can be eaten immediately and do not need to be boiled. If they are eaten raw, it is best to cut them into small pieces, mix with vinegar and soy sauce, and glacial acetic acid can combine some alkali, and the taste of preserved eggs will be better.

2. Although preserved eggs don't need special heating when they are eaten, it's ok to eat them after heating, and it won't do harm to human health. Because preserved eggs may carry a certain amount of bacteria and microorganisms if they are eaten directly, which may increase the burden on the gastrointestinal tract and cause harm to human health; Secondly, preserved eggs cooked at high temperature will taste better.