The effects of the varieties,the part,the harvest maturity and the storage time of fruit on the quality of fruit were studied in this paper. The results were as follows:the Vc content in Zao xian was higher than in Hayward ;the content of soluble sugar in core of fruit was higher than in pulp of fruit. on the contrary, the contents of Vc and ascorbic acid in pulp of fruit were higher than in core of fruit I the more the harvest . maturity, the higher the soluble solid in ripened fruit; overtime storage had ...