2. If the temperature is around 10℃, it can be stored for 2-3 days; When the temperature is 25℃, 1 day is no problem; But if the temperature exceeds 30℃, it can only be stored for half a day.

3. If you want to keep it for a longer time, it is recommended to put the boiled eggs in the refrigerator for 4-5 days. If the egg is bad, you will find that protein has become sticky, the color that can be recognized by the naked eye turns yellow, and the smell is slightly sour, so the egg cannot be eaten. If you want to keep boiled eggs for a few more days, you'd better put them in the refrigerator. If there is no refrigerator, boiled eggs can be soaked in light salt water and can be preserved for three days.