A local agricultural/tourism festival around the Yiyi, a medicinal fruit grown there.
Over the years many places in Yunnan have developed festivals to attract tourists.
While many of these festivals have no historic background, they are a good opportunity to see elements of local culture.
See related festivals.
The date varies from year to year, it appears it is held on a weekend in November.
Festival held according to western/solar calendar on 22.11.