Question on the honest credit principle to the tax law;

The Thought of Tax Law in the Law of Microscopically Regulation;

The Analysis and Comparison on the Differences of Current Accounting System and Tax Law;

This paper discusses clear definition on concurrent business and mixed sales and how to collect taxes according to tax laws and puts forward some reasonable tax planning for business decisions.

For this reason we should implement these two kinds of laws simultaneously and take measures to shorten the gaps between the new accounting system and the present tax laws.

Since our country adopted the reform and open policy, we have made great progress in constructing tax laws.

The changes of its functions are influenced by taxation law to a great extent.

The comparison of both countries taxation laws,especially the similarities be-tween two country s scale,structure,main content and standardization can provide effective reference for our making of basic taxation law.

Based on the characters of professional education,the writer differentiate taxation law case teaching from taxˉation lawtraditional teaching.