Oral bacteriostatic sprays can relieve or assist in the treatment of oral ulcers to a certain extent, oral ulcers itself may be a separate disease, may be other diseases or even systemic diseases of the oral cavity manifestations of the occurrence of personal constitution, try to avoid triggering factors, can be reduced to a certain extent the incidence of. 1. Oral antibacterial sprays can play a bactericidal and anti-inflammatory effect, can inhibit the propagation of bacteria in the oral cavity, if it is a proprietary preparation has a certain role in clearing heat and detoxification, which can play a role in treating mouth ulcers. 2. Pay attention to oral hygiene: you should pay attention to oral hygiene and brush your teeth often, and after meals, you can gargle with salt water or saline. 3. Improve dietary habits and living habits: usually should avoid spicy and stimulating food, eat more fresh fruits and vegetables, to ensure adequate sleep and rest, and at the same time must ensure that the amount of water, need to drink more warm water. 4. Supplementary vitamins and application of drugs: can be supplemented under the guidance of the doctor vitamin C tablets, compound vitamin B tablets and other drugs, at the same time can be used externally dexamethasone oral patch or ice boron powder and other drugs to treat. The occurrence of mouth ulcers, in addition to the application of oral bacteriostatic spray as prescribed by the doctor, but also need to pay attention to oral hygiene, improve diet and lifestyle habits, vitamin supplements and topical medication to treat. Ulcer lesions fixed in one area, not improved for a long time, hardening of the texture should be timely consultation, need to go to the hospital.