Mouth ulcers good process, is the body for self-repair process, can be based on different sizes and different degrees of the situation, the use of different drugs. Mouth ulcer process, at the onset of the early stage belongs to the acute inflammatory period, is to make the blood vessels dilated, swelling, mucosal congestion, the pain is more intense. With its own self-repair, inflammatory cells will ooze out, the ulcer surface will produce a false membrane, the ulcer gradually reduced, and there is granulation tissue proliferation, the pain will also be reduced, and finally basically disappear. In addition to this process can also be combined with drugs to promote recovery, the treatment of ulcers have Yunnan Baiyao, watermelon cream spray and so on. It is recommended that the mouth ulcers should follow the instructions of the physician to take medication to avoid adverse consequences.