What causes children to have mouth ulcers all the time

Children always have mouth ulcers, usually related to the child’s own low immunity, dietary factors, lack of nutrients and other factors.
1. low immunity: some children are weak, usually easy to get sick, their own immunity is relatively poor, may cause children always mouth ulcers.
2. Dietary factors: children usually do not develop good habits, love to eat spicy, fried greasy and other stimulating food, the oral mucosa caused by damage, may cause children always mouth ulcers.
3. lack of nutrients: children due to picky eating partial food do not love to eat fruits and vegetables, caused by the body lack of vitamin B, iron, copper, zinc and other nutrients, may cause the child always mouth ulcers.
Children always mouth ulcers, may also have children suffering from immunodeficiency diseases, genetic factors and other causes, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease, symptomatic treatment.