White wine with salt cannot treat toothache. From a professional point of view, the practice of adding salt to white wine is not advocated because there is no scientific basis for this practice. The causes of toothache are complex, including caries, pulpitis, periapical inflammation, peri-coronitis, gingival papillitis and other oral diseases, all of which may cause toothache. Therefore, different methods should be taken according to the specific causes. Caries needs to be decayed and filled, pulpitis or periapical inflammation needs to be treated with root canal or extracted, periapical inflammation may need to be treated with rinsing and medication, and gingival papillitis needs to be treated with local rinsing and anti-inflammation. While treating the tooth, patients can also take pain medications such as ibuprofen and acetaminophen to relieve the pain. In some cases, anti-inflammatory medications such as amoxicillin and metronidazole are also required for anti-inflammatory and consolidation treatment, which can effectively relieve the toothache symptoms. There are many causes of toothache in life, do not blindly try folk remedies, it is recommended to go to the hospital stomatology department as soon as possible, for targeted treatment. You should pay attention to maintaining oral hygiene, brush your teeth every morning and evening, rinse your mouth in time after eating, and floss to clean the food residue inside the tooth gap. In addition, during the period of toothache, you should pay attention to avoid eating spicy and stimulating, too hot and hard food.