In order to analyze the basic situation of China's foreign trade since the reform and opening up, this paper summarizes the basic situation of China's foreign trade in the 40 years of reform and opening up in 1980-2018 based on the data of the official website of the National Bureau of Statistics of China (NBS) and creates charts. The data observation results show that except for the trade deficit in the 1980s, China's economic surplus, total imports and total exports rose in a straight line in the past 40 years. The rise in the '00's and the' 10's was much smaller than that in the previous 20 years, but it also stabilized a lot, which was a steady growth. The reference data shows that this is a normal phenomenon. It was predicted that China's foreign trade would grow more steadily, which is closely related to the foreshadowing decision made by the country now. China will maintain its leading position in the world while maintaining its economic growth.

The financing supply of small and micro enterprises plays a decisive role in solving the "financing difficulty" problem of small and micro enterprises. This paper takes Taizhou, which has developed small and micro finance, as an example to analyze the localization and innovation of IPC mode, refine the successful mode of small and micro loans of city commercial banks, and put forward optimization suggestions on the financing supply end of small and micro enterprises.

In recent years, China's insurance industry is developing rapidly and China has become the world's second largest insurance market. As a modern service-oriented industry, insurance is undergoing a transition from a large-scale to a competitive industry and plays an increasingly significant role in people's social life. From the perspective of traditional insurance marketing, this article analyses the features of insurance products and the models and current status of insurance marketing. It explores the existing problems in traditional and internet insurance marketing and provides suggestions for improving the models and strategies of insurance marketing based on customer psychology.

Sharing economy is a new paradigm that is just emerging in China, and is in the primary stage of development worldwide. This economy model is developed on the basis of the rapid development and wide application of the Internet. One can share his/her surplus or idle goods with other people through the Internet, which is the basic principle of the growing of sharing economy. This paper makes in-depth exploration and studies on the development of open innovation in enterprises. Moreover, in combination with the current situation of sharing economy development in China, this article puts forward reasonable and reliable suggestions for the development of enterprises under the background of sharing economy.

In order to promote high-quality economic development, China has implemented large-scale tax cut and fee reduction. In order to verify the role of tax cut and fee reduction in promoting high-quality economic development, the author uses entropy weight method and relative deviation fuzzy evaluation method to establish a multi-dimensional index system to measure the level of China's economic development. Finally, the author also puts forward countermeasures and suggestions from the perspective of tax cut and fee reduction policy optimization, which include publicizing the preferential policies of tax cut and fee reduction through multiple channels, strengthening the efforts of tax cut and fee reduction of private enterprises and comprehensively implementing the legal principles of tax and so on to provide theoretical reference for the high-quality development of China's economy. 

With the improvement of science and technology and the development of economy, electronic payment has become an indispensable payment method in people's daily life in China. With the rapid development of electronic payment, it also faces a series of problems and challenges. This paper, from the perspective of China's electronic payment, studies its development status and market development status, and provides feasible suggestions for China's electronic payment market.

With the increasing trend of global economic integration, the financial industry has been discussed popularly and cared by everyone. The growth of the financial market has created an unprecedented demand for qualified investment talents. Employers and investors need a strict and standard ruler to measure the professionalism, integrity and knowledge reserve of the employees in the financial industry, so as to better manage and invest their assets. Chartered Financial Analyst is such a kind "rule". Warren E. Buffett, a world-famous investor, once said that the relatively important asset in life is to find a group of reliable people. When you get a chartered financial analyst certificate and become a CFA member, to a certain extent, you will find a group of very reliable people. As a registered trademark of the Association for Investment Management and Research, the Chartered Financial Analyst Certificate has gained increasing recognition and authority in the world. As a great number of CFA charterholders increase, it will have unpredictable and positive effects on the operation of international financial centers and capital markets. This article, taking Hong Kong of China and Singapore as examples, analyzes the impact and function of CFA on financial centers and capital markets.

With the globalization and the division of labor among enterprises, the output of SMEs (small and medium-sized enterprises) has increased. At the same time, the cost of inventory and the inconsistency of the accounting period are testing the capital of SMEs. Especially in the context of the Internet, a lot of micro e-commerce companies emerge. This paper identifies that Internet supply chain finance maybe a targeted solution to the difficulty of SMEs' financing, under the background of Internet. Internet SCF has brought vigor to the financial market, which will eventually breaks the highly centralized financial system. To promote the Internet SCF, this paper provides a range of suggestions.

In recent years, the logistics industry is in the stage of rapid development, with the status of China's foreign trade significantly improved, there are more development opportunities for the logistics industry. Logistics cost, as a key factor for the profitability of enterprises, is of importance for enterprise development, which is self-evident. From the perspective of supply chain logistics cost control, this paper analyzes the composition of logistics cost, in view of its current situation and problems, initially forms the supply chain logistics cost control strategy, and provides feasible suggestions for the current internal control of logistics enterprises, namely cost control.

After a large number of equity pledge in the listed companies, there may be excessive investment behaviour and the controlling shareholder encroachment on the company's interests, which will directly affect the liquidity of the enterprise, and may aggravate the liquidity risk of the enterprise to a certain extent. Therefore, after constructing the liquidity risk evaluation model, taking Yinyi as an example, it evaluates the liquidity risk of the enterprise before and after the equity pledge, and puts forward some suggestions, such as strengthening investment management to prevent over investment, improving the internal governance mechanism of the enterprise, optimizing the asset and liability structure of the enterprise and broadening the financing sources.