The classification of self-employed economy,private economy,and non-state-owned economy based on current constitution and law of enterprises is confusion,this leads to the lack of protection of lawful rights and inter- ests of the above economic subjects and their equal competition.

Since Chinese policy of reform and opening-up was carried out, the non-public ownership economy have obtained a fast development, which gradually becomes one part of national economy and a major force for the promotion of the social productivity development.

Based on the analyses on the position and the function of the nonpublic economy in Guangdong, the paper points out the major causes and the barriers, which hamper the investment of nonpublic economy, and presents countermeasures to set out the nonpublic economy investment.

With the development of nonpublic economy and the change of social structure,it becomes necessary that criminal law furnishes an equal protection for public and nonpublic economies.

Discussion on the limitation of non-public-owned economy s connotation;

A Deeper Understanding Of The Status And Role China s Non-Public-Owned Economy Has Played;

The growth of Chnese non-public-owned economy has made historical contibutions to the development of social productivity,the improvement of consumer s position,the renewal of ideas,the innovation of economic system,the hastening of political democracy and cultural industrialization.

The research of protection of criminal law on non-public economy from the angle of misappropriation;

On the two major function of the non-public economy;

Try the preferential development non-public economy in terms of the western part;