This research is using yearly average stock prices ad depended variable, dividend per share, book value per share, earning per share & working capital per share as independent variables to do a series of Cross Section Multiple Regression Model Analysis on 1975-1980 Taiwan stocks’ data. The result is that: No matter whether it is same year price of next year price as Dependent variable in the analysis, the conclusion is identical : Each year’s obtained linear regression function is highly consisted with the related year’s data since the coefficient of determination is averagely 85% for the Next Year Price Model and 91% for the Same Year Price Model; working capital per share has no effect or little effect on stock price; surprisingly, it is contrary to the general believes, on the other hand dividend per share and book value per share both are important on determining stock price.