This book measures in details the department income distribution pattern among the governments, enterprises, and families in China during the years of 1978-2008; it measures and analyzes the distribution of Chinese factor income and residents' income. In combination with Chinese taxation system and policy, it makes a deep research on the effect of factor income distribution on residents' income distribution, the effect of taxation on factor income distribution, and the effect of taxation on residents' income distribution. This book is favorable for answering why taxation's regulation effect on income distribution in China is low, and why taxation reform is necessary.