The reasons for ulcers on the tip of the tongue are as follows: 1, long-term love to eat spicy and stimulating, especially hot or hard food such as fish spines, such food will cause physical and chemical stimulation of the tongue mucosa, causing the tongue mucosa to break down and produce ulcers. 2, due to partial eating, picky eating resulting in imbalance of nutrients, so that the body lacks vitamin B, vitamin C or trace elements, the mucosa in the mouth of such people, including the tongue mucosa is prone to ulcers. 3.If the upper and lower front teeth have tooth malocclusion, tooth misalignment and twisting, or individual teeth are very sharp, often able to bite or scrape the tongue mucosa, it will also cause traumatic ulceration of the tongue mucosa. 4.A series of systemic symptoms, such as fire or fever, will also lead to ulceration of the tongue tip.