Can eat kiwi fruit treat oral ulcer?

Is it true that eating kiwi fruit can cure oral ulcer?

False.

Many people think that oral ulcer is so common that it is usually caused by vitamin deficiency. It is good to eat more fruits and vegetables.

Many people have heard a legend that eating kiwi fruit can cure oral ulcer.

Although modern medicine is quite developed, the real cause of oral ulcer is still unclear. At present, the basic consensus in the medical field is that ordinary recurrent oral ulcer is not caused by [vitamin deficiency]. Not only is kiwi fruit useless, but eating some sour fruits will aggravate oral ulcer instead.