Water chestnut is an aquatic food. During the growth of water chestnut, the epidermis is easily infected with parasites. If you eat it without cleaning, it may make the metacercaria of the ginger leaf worm attached to it enter the human body and infect the water chestnut. When eating water chestnut, it is recommended to peel it before eating it. It is very sweet. It is not recommended to eat directly with the skin. First, it tastes bad, but it is easy to be infected with parasitic diseases.

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Water chestnut is one of the special vegetables in China. Generally, it is eaten together with underground swollen bulbs, which can be eaten raw, cooked or cooked. Especially suitable for canned food, it is called "water horseshoe" and is one of the main condiments in restaurants. Starch can also be extracted, which, together with lotus root and water chestnut, is called starch III. It is cold and slippery in nature, sweet and cool in taste, and can benefit qi and neutralize middle warmer. At the same time, the tubular leaflike stems above the ground can quench thirst and reduce fever.

Water chestnut belongs to cold food and grows in underground swamp or paddy field. There are many bacteria and parasites (such as ginger worms) attached to the epidermis, so it is not advisable to eat too much raw food, and it is necessary to clean the epidermis, especially those with spleen and stomach deficiency and cold.

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