Redness of the palate may be normal, or it may be caused by burns, contusions, viral infections, bacterial infections, etc. It is recommended to go to the hospital for treatment. 1. Some children’s palates are already red, which is normal. 2. Eating too hot food may scald the palate, appearing capillary dilatation red performance, serious cases will appear blood blisters. 3. Redness may occur when the palate is bruised by large pieces of food, objects, etc., or when the palate is pressed by the frequent use of bad dentures. 4. Viral infections may cause small blisters on the palate, and redness of the palate in the pre-blistering stage. 5. Oral flora imbalance may be red palate, inflammation of the maxillary root may form a fistula in the side of the jaw, also caused by the role of bacterial infection.