In order to disclose the long-term ROI of Chinese A-Share stock markets, SSE 180 Index is selected as the representative of Chinese A-Share stock markets and its dividend yield, return on right offering, capital gain and return on investment, paper.

The paper analyses the international policy design and performance of the capital gains tax (CGT) on venture capital.

Capital gains and losses frequently take place, and there is a need to clarify some of their basic aspects though China has not formally laid down taxation measures on capital gains.

The Early Warning System on Speculative Flows of Short-term Capital;

Influence of Short-term Capital Flow on Financial Stability in China and Countermeasure;

We must change our understanding of the traditional short-term capital for its computation and management.

The Inevitability of Capital Gains Tax;

Whether a capital gains tax on stock-trade should be imposed in China has been one popular topic recently.

The capital gains tax influences both the quantity and the quality of venture capital investment.

China should start to collect capital gain tax,enlarge the collection range of stamp tax,reduce the tax rate of secondary market,and cancel the repetitious taxation of individual investment gain.

It is a tendency to collect capital gain tax in the long run.