Mouth ulcers should not be poked and prodded, otherwise it will aggravate mucosal damage and secondary infection. Mild cases can be self-healing, commonly used drugs are chlorhexidine, ice boron powder and so on. The use of medication should follow the doctor’s instructions. Mouth ulcers are common oral mucosal diseases, usually, mouth ulcers can not be punctured, otherwise it will aggravate the damage to the oral mucosa, but also may be infected by bacteria, viruses. Moreover, for patients with mild oral ulcers, there is a tendency to self-healing, if the ulcer surface caused by stimulation, to a certain extent, will delay the improvement of the disease. Clinically used in the treatment of oral ulcers drugs are chlorhexidine gargle, cidadex iodine tablets and other anti-inflammatory drugs, as well as ice boron powder, oral ulcers, recombinant human epidermal growth factor gel and other drugs to promote the healing process, for the ulcers of severe pain, you need to comply with the doctor’s orders to use compound benzocaine gel, lidocaine gel and other painkillers. The use of drugs need to follow the doctor’s advice. All in all, mouth ulcer patients need to strengthen the daily life management, if necessary, with the doctor active treatment, so as not to delay the disease.