If you eat too much pineapple and your tongue hurts, you can gargle with salt water or drink milk to relieve it, but if it’s serious, you need to seek medical attention. Pineapple contains bromelain, which has a stimulating effect on the tongue, and if you eat too much of it, it can cause tongue pain, and in severe cases, it can also cause diarrhea and vomiting and other symptoms. First of all, use salt water to gargle, salt water can inhibit the activity of bromelain so as to reduce the stimulation of the tongue mucosa, the pain can be relieved. You can also drink a lot of milk, milk protein and pineapple protease can produce action, can relieve tongue pain. So pineapple eating too much tongue pain, you can gargle with salt water or drink a lot of milk to relieve tongue pain, if the serious pain can not be relieved, you need to go to the stomatology department for examination in a timely manner, follow the doctor’s advice to do the next step.