The thesis focus on the study of the basic point of the market economy——national unified market, analyzing from the three aspects ( the market principal part, the market object and the market rules ) the threatening and restriction of the regional protectionism to the formation of the national unified market in China.

Problems In Running Internal Market;

UK is the first industrialized country as well as the first welfare state around the world,also being the first country to provide medicare and promote internal market reform.

The definition and theoretical basis of internal market-led management are introduced.

On inner market of multinational corporate and its reduction of legal effect;

In the process of unified market construction,the acceleration of the regional market conformity is the key to the development from local market to unified national market.

The existence of administrative monopoly has hindered the domestic as well as international unified markets.

According to the reality of domestic unified market system construction in China, it is important for the establishment and improvement of socialism market economy system to remove local protection and build domestic u-nified market.

Strategy for Our Market Unity and Perfect Rule of Law;