The 1999 World Horticultural Exposition was an A1 category international horticultural exposition recognised by the Bureau International des Expositions (BIE). Organised under the auspices of the International Association of Horticultural Producers, the event was held in Kunming, Yunnan, China. The theme of the exposition was "Man and Nature, marching into the 21st century." The event took place in the World Horti-Expo Garden. It lasted from April 30 to October 31, 1999, and attracted 9.5 million visitors.

Mascot

The mascot of the Exposition, "Ling Ling", represents a black-and-white snub-nosed monkey, also referred to as a Yunnan golden hair monkey or Dian golden monkey. 'Dian' is an abbreviation for 'Yunnan'.

Jiangxi Pavilion

On August 5, 1999, Hu Changqing led the Jiangxi delegation to participate in the 1999 World Horticultural Exposition. On August 6, he presided over the opening ceremony of Jiangxi Pavilion Day as the vice-governor of Jiangxi. After August 7, Hu was arrested and executed for corruption.