‘Dangshansuli’ pear as the female parent and ‘Zhuzui Pear’ as male parent is used for hybrid seeds production in Shanxi Academy of Agricultural Sciences Pomology Institute.After a long-term breeding process of colonization，primary selection，reelection，comparison between different varieties，and comparative experiment and trial planting in different ecological regions for more than 30 years，excellent characters is confirmed in breeding code 72-9-31 which is also approved by Shanxi Crop Variety Approval Committee and named as ‘Jinzaosu’ in 2012.Compare with ‘Dangshansuli’ pear，maturation stage of ‘Jinzaosu’ is earlier for about 10-15 days，and it also have the advantages of positive shape，large fruit，crispy flesh，less stone cells，medium maturity，storage tolerance and strong resistance to decay.Moreover，its biological and economic characters are stable，and are suitable for extensive cultivation in the suitable planting area of white pear in northern China.