The obvious difference between tongue cancer and lingual inflammation lies in different sites of occurrence, different symptoms, different discoveries and different course of disease, etc. If you have any discomfort, please consult a doctor in time. 1. Different parts: tongue cancer is usually located at the edge of tongue, but lingual infection may be located at any part of tongue, which often appears at the tip of tongue, dorsal surface of tongue and lateral edge of tongue. 2. Different symptoms: tongue cancer and lingual inflammation are also different in clinical manifestation, tongue cancer has no obvious symptoms in early stage, but lingual inflammation may cause obvious pain in local area. 3. Different discovery: tongue cancer in early stage usually has lumps or ulcers on the edge of the tongue, and the ulcers and lumps will be hard at the base. However, lingual inflammation usually only exists in the tongue mucosa and is softer. 4. Difference in disease course: tongue cancer can be cured, but the overall prognosis is worse than that of glossitis, but after removing the cause of glossitis, active treatment will usually cure and relieve the disease. If you have the above symptoms, consult a doctor in time and clarify the disease with the help of a doctor, it is not recommended to diagnose and treat the disease by oneself so as not to delay the condition.