The investment of securities provides an important means for the central bank to conduct financial macro-control, which is of great significance to the sustainable and efficient development of the national economy. 1) operation special car Media analysis, said Long Fin so-called listed, in fact just got the certificate of the start-up companies to disclose fundraising by itself does not conform to the requirements listed on the mainboard, is not really a main board listing, the "settle for second best" listed, for total also have strict rules, limit is $50 million, which is Long Fin listed to raise the total amount of $5, issued 10 million shares. In 2010, China overtakes Japan to become the other world's economy. According to economists, China remains to be a developing country with fast pace of growth. Data released that Japan\'s gross domestic product is $1.286 trillion while it is worth $1.335 trillion for China. Another source signifies that Japan keeps growing at two or three percent in weighed against 10 % annually of China. 1. The accounting income is based on the actual economic business of the enterprise, and the sales revenue obtained from selling products or providing services is deducted from the cost of actual sales revenue. These economic businesses include both external and internal transactions. Business activities with the outside world transfer the assets or liabilities of an enterprise, since it is usually a direct monetary income, so its measurement is generally accurate. The use or transfer of assets within an enterprise, as a result of a non-direct monetary balance, is usually not accurate. According to traditional accounting views, changes in market prices or expected prices are not included in the transfer of internal assets. When a transaction occurs, the price of an old asset is usually transferred to the new asset, which is the measurement of the proceeds of the transaction. The transaction method automatically deduces the process of determining income during sales or trading, as well as the cost transfer practice in accounting.