This paper divides labor into conventional labor and innovative labor.

On the base of it, this paper reconstructs the current formula for calculating the contributing percentage of science and technology, and analyses and explores how innovative labor creates value.

This paper discusses the innovative labor from its historical evolvement, its measurement, its investment and returns, and its laborer s salary and reward by comparing it with conventional labor.

Through the analysis of ambivalent relation between the product s individual value and social value, the author reveals the multiplying effect of creative labor in value production, and according to the explanation o.

The innovative labor has been the dominant form of labor in making the social and economic development.

In order to deepen and develop Marx s labor theory of value better,accurately understand and master the concept about the complicated labor,creative labor and skilled labor, this article uses the comparison and the standard analysis method to study it.

Therefore, giving definition of creative labour, making analysis of characteristics of creative labour and distinguishing creative labour from uncreative labour are of great significance in arousing the enthusiasm of the labourers and promoting the economic development of the country.