The main task of checking case selection, which is the first step of charge checking, is tosearch the exception from all the charging units and branches by analyzing and classifying allkinds of information about financial charge, and then supply charge checking with directionand targets.

To address these problems, in this paper, we develop a model about sampling of tax-checking for objects.

Through the function of check for enforcing the law of environment, we can strengthen the effective executive of environment protecting laws and regulations, and the effective implementation of various policies of envionmental protection as well, so as to correct and punish the illegal activities, purify the executive environment and expedite the career in environment to develop healthily.

This paper analyses and studies some problems in the check work of building market at present, and offers solusions to these problems.

Establishment of Environmental Superintendence and InspectionMechanism and Its Operation;

The power marketing inspection work under the new situation;

The system in moving inspection of maintain fees has been used in a part of cities and provinces.

Research on Price and Finance Checking of Power Enterprise by Electric Regulatory Organization;

Analysis is made to the problems in the current tax checking system and the causes that such problems arise.

After Checking organizations of technical supervision recombinated, how to maintain honest and clean, enhance excuting the laws with civility and combinate punish with service in checking organizations was dicussed.