Abstract: The research results showed that the contents of the nutrient elements in every organs of Red Starking apple tree changed largely in one year, the contents of those elements in various stock-secion were also different, The contents of the most nutrient elements in the leaves,fruits and extensive shoots of the dwarfing interstem apple trees were higher than those in the vigorous rootstock apple trees.The studies demonstrated that the output of Red Star king apple tree had positive correlation with the contents of nitrogen and phosphorus in the leaves，but it had negative correlation with the content of kalium in the leaves.The correlation among the nutrient contents of the organs were also discu ssed in this paper。

Key words: Dwarfing interstem, Vigorous rootstock, Stock-scion, Red Starking apple tree, Nutrient element