It is not recommended to gargle within 24 hours after tooth extraction, after 24 hours, you can use mouthwash for 3~5 days as prescribed by the doctor. 1. It is not recommended to use mouthwash to gargle within 24 hours after tooth extraction, in order to prevent the blood clot in the extraction socket from loosening and dislodging and causing bleeding from the wound, which in turn affects the normal healing of the wound and even the symptoms of infection and pain. 2. 24 hours after tooth extraction, you can use special oral rinses (e.g. Compound Chlorhexidine Gargle, Rehabilitation Liquid, etc.) under the guidance of the doctor, which can effectively prevent wound infection and promote wound healing; it is generally recommended to gargle 3-5 times a day, and gargle for 3-5 days, and should not be used for a long period of time in order to avoid symptoms of bacterial imbalance in the oral cavity.