It is not recommended to rinse the mouth for 24 hours after tooth extraction, because rinsing itself will have a large impact on the mouth. In the period just after tooth extraction, the blood clot in the extraction wound is still in a less stable state, and rinsing at this time may cause the blood clot to loosen and fall off, thus causing secondary bleeding. Therefore, it is recommended to rinse the mouth at least 24 hours after tooth extraction, because the blood clot is relatively stable at that time, and it is less risky to rinse the mouth again at that time, as to what kind of rinse solution to use routinely. Even if there is no mouthwash, the application of water or light salt water can be, because the main purpose of gargling is to maintain oral cleanliness, and the commonly used mouthwash in addition to a certain part of the antibacterial effect, the majority of the rest is to maintain fresh breath.