1, plastic bag preservation method: put fresh water chestnut vine into a breathable plastic bag, leave a small hole and keep it ventilated. This can prevent the water chestnut vine from mildewing and rotting, but the storage time should not be too long. It is recommended to eat within 1-2 weeks.

2. Fresh-keeping method of the fresh-keeping box: put the water chestnut vine into the fresh-keeping box and cover it with a layer of fresh-keeping film. This method can keep the freshness of water chestnut, but the preservation time is short, so it is recommended to eat it within 1-2 days.

3, cold storage method: put the water chestnut vine into the refrigerator for cold storage, which can extend the storage time. However, the taste of water chestnut may deteriorate during cold storage, so it is recommended to eat it as soon as possible.