Jujube, also known as jujube. It is characterized by very high vitamin content and has the reputation of "natural vitamin pill", which has the effects of nourishing yin, strengthening yang and enriching blood. Jujube is a temperate crop with strong adaptability. Jujube is known as "hardcore crop", which has the characteristics of drought and waterlogging tolerance and is the first choice for developing water-saving forest and fruit industry.