Most of the white and painful gums are caused by eating some overheated and hot food, resulting in damage to the mucous membrane. In this case, it is recommended that the patient should use medications for mouth ulcers, such as kaiyaki spray, stomatitis spray, furacilin paste, and if the pain is severe, you can also apply some epidermal growth factor to promote mucosal healing. In addition, diet should be careful not to consume spicy and irritating food, too hot and too hot food, which will hinder the healing of mucous membrane. White and painful gums are common symptoms for most people, and if they occur, they can recover quickly by following the doctor’s instructions and paying attention to dietary habits and using topical medications.