Tulsi plant is a plant which you can see in almost all the houses. Basil leaves are used to get relief from many types of problems. If you want, you can also use basil leaves to get rid of mouth ulcers. It is quite easy to use basil leaves to cure mouth ulcers. You have to chew 4 to 5 basil leaves, this can cure your ulcer. (Report: Diksha/Haldwani)