Mouth ulcers generally refers to oral mucous membrane ulceration, want to eliminate quickly, need to check the cause of oral ulcers, common in herpes, ulcers, candidiasis and so on, and then corresponding to take medication gradually treatment. 1. Herpes. Herpes is due to the body infected with the herpes virus, causing the oral mucosa to appear pinpoint-sized blisters, and then break out of the erosion, the treatment is generally taking antiviral drugs such as ribavirin. 2. Ulcers. When affected by external stimuli or mental stress, can lead to oral ulcers, serious ulcers have a large surface, pain is obvious, the treatment needs to remove the external stimuli, local cidadex iodine tablets or coated with lidocaine gel. 3. Candidiasis. Oral candidiasis oral mucosa will appear color white as snow patchy, with bright red vesicles, treatment generally use sodium bicarbonate solution or mycobacterin tablets. Oral ulcers, want to eliminate quickly, need to go to the hospital according to oral manifestations and laboratory tests to diagnose the cause of the disease, under the guidance of physicians targeted medication.