Sores on the tongue may be a symptom of Aphthous ulcers, infected lesions in the oral cavity, immune disorders and other related diseases. 1. Aphthous ulcers: tongue sores are most commonly found in Aphthous ulcers, which are common in young people, often caused by mental stress, and are the result of a combination of factors, mainly symptomatic treatment to alleviate symptoms and delay the onset of time. 2. Bacterial viral factors: lesion stimulation and the decline of immunity will make the body more susceptible to bacteria or viruses, such as infection with streptococcus, staphylococcus aureus, etc., will cause mucosal lesions such as ulcers, etc., the main use of antibiotic drugs, such as cefadroxil, etc., according to the infectious strains of bacteria to be selected. Tongue sores should seek medical attention in time for professional examination and follow medical advice.