Baby stomatitis has been bad, usually with unreasonable diet, bad habits and treatment is not complete and other factors. 1. Unreasonable diet: unreasonable diet when suffering from corns, eating spicy and stimulating food for a long time, easy to cause poor recovery of corns, the condition is prone to recurring episodes. 2. Bad habits: habitually licking the lips with the tongue, or often touching the corners of the mouth, easy to affect the mucous membrane of the corners of the mouth, resulting in repeated stimulation of the mucous membrane, which has a certain effect on the recovery of stomatitis, and is prone to cause poor recovery of stomatitis. 3. Incomplete treatment: If you reduce the dosage of medication or stop taking medication without authorization before it is completely cured, it may lead to recurrent episodes of stomatitis, which is not easy to recover. Baby keratitis has been bad, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.