Oenanthe javanica is a kind of wild vegetable, which often grows by rivers, ponds and paddy fields. In order to prevent the invasion of wild insects, the taste of Oenanthe javanica is pungent and contains more oxalic acid, so the taste of Oenanthe javanica will have a certain spicy taste.

It is suggested that water celery should be boiled later. After blanching, most of the irritants in the water celery can be removed, and the taste of the water celery will be improved.