Poisonous, water chestnut lotus is poisonous, which contains a lot of herbal calcium crystals and alkaloids. Eating by mistake can cause poisoning symptoms such as drowsiness. This species is a non-toxic plant included in China Botanical Atlas Database, and its toxicity is tuber, spathe and spike. Chewing small tubers can cause swelling and pain in the tongue and throat. If the skin is carefully stained with juice, it should be cleaned in time to prevent allergies.

Its toxicity is tuber, spathe and meat spike, and the inflorescence is toxic. Fresh calla lily tuber can be mashed properly and applied externally to treat scald. Taboo to take orally. If you eat it by mistake, you will vomit, but you can feed it to wild boar after cooking. Boiling leaves can cure a slight headache, but all medicines must be used under the guidance of a doctor.

Although calla lily is poisonous to eat, it does not release toxic gas and can be watched at home, but people with children at home are advised to be cautious.