Many people are plagued by mouth ulcers. According to data, in the global scope, the number of people who often suffer from mouth ulcers accounted for about 12.3%, only China’s recurrent mouth ulcer patients up to 159 million, accounting for about 1/5 of the global number of patients. The vast majority of people with mouth ulcers, the first reaction is “fire” it. But in fact, mouth ulcers are also a disease, such as long-term recurring attacks, long-lasting will lead to lesions. Not only that, behind the mouth ulcers may hide more serious disease risks, such as oral cancer, leukoaraiosis and so on. Therefore, if you are prone to mouth ulcers, and often recurring, you have to be more careful. What causes mouth ulcers “on you”? Experts say that the occurrence of general mouth ulcers and the human body’s own immune function is directly related to the lower or long-term low. For most people, there are three main situations: 1, occurring after certain diseases (such as colds, pharyngitis, diarrhea) or during the onset of certain chronic diseases; 2, for various reasons leading to a decline in their own immunity, such as late night work, bubble bars, Internet cafes, energy overdraft, stress “mountain”; 3, lack of trace elements such as zinc, iron. Lack of folic acid, vitamin B12, etc. In addition, endocrine changes and genetic factors can also lead to the occurrence of mouth ulcers. For normal mouth ulcers, usually no special treatment is necessary and they can be healed within one to two weeks. If the patient wants to relieve the symptoms or shorten the duration of the disease, it is recommended that raw garlic patches can be applied to the ulcer to relieve pain, or vitamin B2 powder can be applied to the ulcer to promote healing, or some honey can be applied. In addition, morning and evening with light salt water to rinse the mouth, can also play an anti-inflammatory effect. Beware of mouth ulcers behind the “hidden” disease in fact, mouth ulcers are not terrible, the terrible thing is that mouth ulcers are often one of the symptoms of some serious diseases, but often ignored by everyone. The easiest way to identify: If the mouth ulcer is still not improved after two weeks, you must go to the hospital for examination. It is understood that many clinical oral mucosal diseases are now ulcerated, such as recurrent oral ulcers, oral tuberculosis, oral squamous carcinoma, oral lichen planus, discoid lupus erythematosus, erythema multiforme, leukoplakia, and Crohn’s disease. Sometimes, it is also a reflection of systemic diseases, such as having diabetes, stomach disease, blood disease, tuberculosis, etc. Basically, the one that people are most afraid of is oral cancer. Generally speaking, oral ulcers are superficial ulcers, while oral cancer ulcers are larger in size, usually above 0.5 cm, surrounded by white film. Moreover, the development site of oral ulcer is relatively stable, but the area around the ulcerated area of oral cancer patients will be elevated and spread to the surrounding area continuously.