Yuanshi No.1 is a new jujube cultivar selected from Pozao in Taihang Mountain of Hebei Province.The fruit is cylinder with 13.7 g of fruit weight. It has sweet-acid taste with 30.7% soluble solid and 0.64% total titratable acid. It has the characteristics of high resistance to fruit shrink disease and fruit cracking disease is light.It is used by fruit fresh and dried dual-purpose. It has high and stable yield. The fruits ripe in mid of October.