The flood of 1. dollars leads to the overheating of the world economy and the bubble of assets (including commodities and real estate), resulting in superficial economic prosperity and book wealth.

2. The global economic prosperity promoted China's large-scale export, which led to the rapid economic growth of China.

3. Large-scale export promotes the rapid growth of China's foreign exchange reserves, leading to a large number of domestic RMB issuance. The appreciation of RMB accelerates the inflow of overseas hot money, which intensifies the development of the above situation.

4. Because the banking system has abundant funds, it urges banks to lend on a large scale, which leads to flooding of liquidity and large-scale investment in fixed assets. It not only leads to overheating of the economy, but also pushes up asset prices.

5. In the case of excessive liquidity, funds flowed into the stock market and the housing market, which prompted the price to continue to rise, leading to public optimism, thus causing the Shanghai Composite Index to rise to 6000 points.