Generally speaking, procyonidin is found in all parts of the fern, and is more abundant in the fern (the young part of the fern) that people eat. In biochemical experiments, it is found that Pterosin can react with amino acids and damage the genetic material DNA, and in animal experiments, it has been shown to have cancer-causing ability. Experts recommend controlling the frequency of eating fiddleheads, as well as the amount of fiddleheads eaten. Fiddleheads are similar to bacon, sausage and barbecue meat, all of which have a cancer risk, so don't worry too much about eating them, and don't eat them in large quantities over a long period of time.

The young fern leaves contain carotene, vitamins, protein, fat, sugar, crude fiber, potassium, calcium, magnesium, fern, fern glycosides, acetyl fern, choline, sterols. It also contains 18 kinds of amino acids and so on.

The starch extracted from the rhizomes of this species is called fern meal for food, and the fibers of the rhizomes can be used to make ropes and cables, and are resistant to water and moisture, and the young leaves can be eaten and are called ferns; the whole plant is used in medicine to drive away rheumatism, diuretic, antipyretic and can be used as an anthelmintic.

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