This paper expounds the meanings of both the import substitution strategy and the export guidance strategy,analyzes on the functions of the two strategies in helping the developing countries to realize the economic takeoff,and points out the shortages and restrictive conditions of the two strategies existing in the course of the economic development.

Choosing import substitution strategy is helpful to its strength and promotes industrial structure upgrading, substitutes importation and enlarges employments.

Research on innovation of the agricultural enterprises Ⅱ. The agricul-tural enterprises is a substitution strategy of the agricultural;

With increasing energy shortage, China should, in line with its national conditions, implements energy substitution strategy and supports sustainable social and economic development with sustainable energy development.

The paper explicate the most impontant for car ry ing out re sources importing strategy in our coun-try,but because of various factors,it is always meta-mor phosed in prac tice,and then produces all kinds of negative im pact.