1 Watermelon is a very nutritious fruit, which is rich in vitamins. Eating a small amount has a good effect on oral ulcer, but you can't eat too much. Eating too much will aggravate the symptoms of oral ulcer.

2, apples, apples are very economical fruits rich in vitamins, which are very suitable for vitamin supplementation. So this should be regarded as a better answer to what fruit to eat for oral ulcer.

3, pears, pears are rich in vitamin B, and regular consumption is of great benefit to the human body. Pear is also a kind of fruit suitable for oral ulcer, so it is a good answer to what fruit to eat for oral ulcer.

4, peaches, peaches are rich in vitamins such as vitamin B, and can also delay aging, which is a rare fruit. However, although peaches have a good effect on oral ulcers, they are still not conducive to eating more from the perspective of the stomach.

5, persimmons, persimmons can also have a good effect on treating oral ulcers. Persimmons are rich in vitamins, which have a good auxiliary effect on the treatment of oral ulcers, and eating persimmons often can prevent oral ulcers.