Tongue licking gum pain may be gingivitis, gingival papillitis, trauma caused by ulcers and other causes, the specific causes should go to the medical institution to find out. 1. Gingivitis can cause the gums to change from pink to dark red, the texture of the gums from tough to soft, the gums on the spot color disappears, the gums are swollen and easy to bleed, usually in the process of brushing the teeth are often accompanied by bleeding, this kind of situation should be taken to clean the teeth. 2. Gingivopapillitis can lead to the emergence of well-localized pain, usually can be clearly pointed out a certain part of the pain, the place can be seen in the gingival papilla appear obvious redness and swelling. 3. If there has been recent trauma or mechanical stimulation, the corresponding gums will appear small ulcers, when the tongue or mechanical force touching the pain, such cases should be removed from the stimulus, and the use of iodine glycerin coated astringent. In conclusion, tongue licking gum pain may be a physiological phenomenon, but also can be a symptom of certain diseases, such as gingivitis, gingival papillitis, trauma caused by ulcers, etc., should be timely consultation to identify the cause of the disease.