When mouth ulcers recur, they are clinically known as recurrent mouth ulcers. It is recommended that the organism with recurrent ulcers take medication, home care, etc. Medication: Patients with mouth ulcers are not recommended to take oral antibacterial drugs in the choice of medication, and can take local anti-inflammatory, pain-relieving, anti-infection and healing-promoting drugs. However, if the mouth ulcer is serious and infection has occurred, antibacterial drugs should be considered. At the same time, it is recommended to take some oral vitamin tablets to help the healing of the ulcer site. Home care: Mouth ulcers are mostly caused by bad oral habits, over-brushing and long-term tension in daily life. It is recommended to take a light diet in daily life, spicy and stimulating food is easy to cause some stimulation to the mouth, and it is recommended that patients drink more water, water is good for the dissipation of the virus, and the ulcer surface is the least irritating. At the same time, pay attention to oral hygiene, do regular brushing, regular dental care, rinse mouth after meals, etc.. Timely remove the accumulated food in the teeth, generally you can choose potassium chlorate and hydrogen peroxide gargle, because it can effectively prevent mouth ulcer infection as well as improve ulcer symptoms and accelerate recovery, but be careful not to swallow the mouthwash into the body. When the mouth repeatedly long-term ulcers, you can use the above methods to relieve.