On basis of analyzing some problems in national assets management at present, this paper has put forward corresponding countermeasures that are how to make national assets keep value and add value.

Be operated by state-owned assets, the state-owned economy plays the predominate the function in whole national economy, so the sake of the function of state-owned assets is increase state-owned assets in economic performance and social performance, realize the national assets keep value and add value.

Through encouragement and obligation to enterprise managers, it canassure the value preservation and increment for state-owned asset.

The demand of preserving and appreciating state-owned capital value asks for the establishment of the conception of value preservation and increment of state-owned capitals, as well as a sound management, supervision and operating mechanism of the state-owned capitals.

It is very important to strengthen the management of national assets and to set up sound management system of national assets for perfecting the socialist market economy system,strategically adjusting the national economic layout and structure,deepening enterprise s reform,improving the operational efficiency of national assets,ensuring keeping and increasing the value of national assets.

The paper analyzes the reasons why bad asset came into being in the railway transportation enterprises and proposesmeasures for eliminating bad asset in the railway transportation enterprise and guaranteeing the value retaining and incrementof the state-owned assets.