Infants and young children suffering from mouth ulcers causes and treatment are as follows: 1, to give the affected children drink more water and eat more fresh vegetables and fruits, you can squeeze the fruits into fresh juice for infants and young children to drink.2, infant mouth ulcers may be caused by trauma, if the infant’s pacifier is too hard, it will cause ulcers on the tip of the tongue and the lower part of the tongue, this time to be replaced promptly with soft pacifiers.3, infant mouth ulcers there is also May be suffering from herpes stomatitis, the disease is caused by the herpes simplex virus infection, the mouth will appear dense pieces of small blisters, blisters are easy to break leaving blood, ulceration of the mucous membrane surface. Suffering from herpes stomatitis should be given to infants and children to take antiviral drugs, such as Banlangen granules, antiviral oral solution, and at the same time to let the children rest more to maintain adequate sleep, to enhance the body’s resistance.