The olive tree (Canarium spp.) is a common name for approximately 75 species of plants in the olive family and genus Olivaceae. There are over 500 cultivated varieties of olive trees worldwide. The flowering period is from April to May, and the fruit ripening period is from October to December. Light loving tree species with certain cold resistance; Originating from the Mediterranean coastal region in southern Europe. Widely introduced in China, it is planted in 15 provinces and regions south of the Yangtze River Basin, including Guangdong and Guangxi, with the highest number in Hubei, Sichuan, Yunnan, Guizhou, and Shaanxi provinces. The fruit can be pressed for oil, consumed, or used to make candied fruits.