You cannot eat iced food after tooth extraction. If you eat iced food after tooth extraction, it may cause the blood clot in the extraction wound to fall off, secondary to bleeding, hematoma, inflammation and infection in the extraction wound, and in serious cases, it may even lead to the occurrence of dry socket, which increases the pain of the patient. It is recommended to eat warm, cool, thin and soft food, not to eat spicy and stimulating food, not to eat too cold, too hot and too hard food. 3. Do not brush and rinse your mouth within 24 hours after tooth extraction to prevent the blood clot in the extraction wound from falling off and secondary bleeding, hematoma, inflammation and infection. 4. Apply cold compresses within 48 hours after tooth extraction to prevent bleeding and facial swelling of the extraction wound, and to prevent the occurrence of bleeding. After 48 hours after tooth extraction, hot compress should be applied to promote blood circulation so that the tooth extraction wound can heal as soon as possible.