Figs in ancient Greece symbolised wisdom and abundance, the Mediterranean region as a holy fruit. Modern research promotes its application in the development of functional food, and its resistance characteristics and economic value make it an important crop for sustainable agriculture in arid areas. Caution should be exercised in case of allergies, and intake should be controlled for those with a weak spleen and stomach.

Dragon fruit (scientific name: Hylocereus undatus) belongs to the genus Hylocereus or Hylocereus in the family of Cactaceae, which is native to the tropical desert areas of Central America and is now widely distributed in subtropical areas such as Hainan, Guangxi and Guangdong in China.