Ice cream is not recommended for toothache. Even though certain toothaches may be relieved by cold stimulation, the real cause is not removed, the toothache will persist and the lesion will continue to develop. 1. If the toothache is caused by deep caries, dentin sensitivity, trauma, etc., the pain may be aggravated by hot and cold stimulation, sweet and sour stimulation in general. Therefore, ice cream is generally not recommended. 2. Toothache if acute pulpitis suppurative stage, there may be hot pain and cold relief phenomenon, cold stimulation will slow down the speed of the tissue fluid seeping out of the pulp cavity, so the pressure in the pulp cavity is reduced. Eating ice cream may reduce the toothache, but the real cause of the disease is not removed, the toothache will continue and the lesion will continue to develop. If a toothache occurs, it is recommended that the hospital be consulted promptly and receive standardized treatment.