After the mouth ulcer, if you want to get better faster, you can take the following treatments: first, local application of some furacilin paste, it can not only relieve the pain caused by ulcers, but also promote the healing of ulcers. Second, you can spray some watermelon cream type, is also conducive to ulcers as soon as possible to heal, to avoid the occurrence of infection. Third, you can use chlorhexidine mouthwash for gargling, because chlorhexidine can be antibacterial, to achieve the role of antibacterial, to avoid the ulcer infection. Fourth, if you are suffering from recurrent mouth ulcers, to adhere to about six months, morning and evening gargle with light salt water, can cure recurrent mouth ulcers.