Normal tongue is protected by the tongue mucosa, eating tomatoes tongue pain may be the tongue mucosa is damaged by the appearance of mouth ulcers or lingual inflammation. 1. Oral ulcers. When there are oral ulcers when the integrity of the tongue mucosa is damaged, the external food stimulation will appear severe pain, generally need to remove the external stimulus, eat less spicy and acidic stimulating food, take cidadex iodine tablets to promote the healing of the ulcers. 2. Tongue inflammation. When the body lack of vitamins or abuse of antibiotics, vitamin deficiency, can cause inflammation of the papilla of the tongue, the papilla of the tongue is enlarged and raised red, to the external stimulation of pain and discomfort, need to correspond to the correction of the cause of the disease, vitamin supplementation, oral antibiotic amoxicillin treatment. When the diet appeared the pain of the tongue, it is recommended to go to the hospital to check whether there is damage or inflammation of the tongue and timely treatment, the use of drugs need to follow the doctor’s prescription.