Boil the water and boil it twice before you can drink it.

After boiling water and boiling it twice, you can drink it as long as you ensure that the water itself is not contaminated. However, it is not recommended to boil water repeatedly or boil water that has been left for too long before drinking it, because this water may be contaminated and have an impact on human health.

If you repeatedly boil water, there may be a greater risk of bacteria in the water. Bacteria and dust in the water may have an impact on the human body, and it is difficult to ensure that it is boiled to 1°C. Bacteria cannot be guaranteed to be eliminated. Drinkers with weak gastrointestinal function may experience symptoms such as diarrhea and bloating. In addition, if the water boiled a few days ago is boiled for a second time, there is a greater possibility that unclean substances will be present, and it is not recommended to continue drinking it.

It is recommended that you drink the boiled water that you boiled on the same day. If you have not finished drinking the boiled water that day, you should pay special attention to the storage environment and method, such as covering the lid to prevent foreign objects from falling into the water and preventing Contaminated by airborne bacteria.