It is possible to eat ice cream on the 3rd day after tooth extraction. Even on the day of tooth extraction, it is possible to eat ice cream when eating normally, and many dentists recommend eating ice cream after tooth extraction, mainly because it is recommended to eat cool and soft food after tooth extraction, and ice cream perfectly fits this condition, and it is relatively cold, and after tooth extraction, especially after the more traumatic tooth extraction, the cold stimulation will contract the local After tooth extraction, especially after a more traumatic extraction, the cold stimulation will constrict the local blood vessels and reduce the local blood vessel bleeding, as well as the local swelling and pain. Therefore, many dentists recommend patients to eat ice cream after tooth extraction. Besides ice cream, including pudding, egg custard, cold milk and rice porridge, all these foods are safe to use for patients after tooth extraction.