In this article, the author uses the technologies of paraffin section, three sections of wood and wood maceration to research the leaves, young stems, petioles and secondary xylem of Elaeagnus angustifolia L. growing in four different kinds of ecological environment which are nursery soil, soil mixed with 1/3 saline alkali soil, 4/9 manure and 2/9 sandy soil, soil mixed with 1/2 saline alkali soil, 1/4 manure and 1/4 sandy soil, and saline alkali soil. The results and the statistics are analyzed by microsco...