First of all, it is best to investigate, analyze, discuss and study the economic phenomena of an industry, a region or even an enterprise, and then put forward corresponding countermeasures, that is, the topic of the solution: as follows: Take the automobile industry as an example, 1. This paper analyzes the international competitiveness of China's automobile industry under the background of trade liberalization, and puts forward the measurement method and index framework for measuring the international competitiveness of the industry. The fourth chapter takes China's automobile industry as an example, and analyzes the international competitiveness of the automobile industry under the background of trade liberalization ... 2. The research on the international competitiveness of China's service trade is particularly active in services related to housing, tourism, automobiles, education and information services. ① 2. Opening of China's service trade Before joining WTO, China's manufacturing industry had been opened first. The rapid development of manufacturing industry in the competition makes the service industry relatively short. 3. International Trade and Technological Progress With the development of international trade, modern international trade theory holds that international trade includes not only the export of labor services in international commodity trade, technology trade, other tourism and communication, but also the transnational flow of labor and capital. The international trade cited in this paper is a broad concept. (2) International technology trade ... 4. The increasing trade friction between green barriers and international trade and the new trade conflicts caused by it have had a far-reaching impact on the development and pattern of international trade. In this situation, the problem of green barriers in international trade has increasingly become the focus of world attention. Therefore, this paper will start with international trade and environmental issues, and analyze green from the perspective of economics ... 5. Study the impact of environmental policies on international trade. These international environmental conventions have an impact on the structure and scale of international trade from all aspects; Secondly, there are many environmental clauses in many international trade treaties, which make international trade activities influenced and restricted by more non-economic factors. Regarding the relationship between environmental policy and trade, economists have studied the international competitiveness of Japanese automobile industry from different angles ... 6. The automobile industry has changed from weak to strong, occupying a place in the market competition of international automobile industry. 1955, Japan announced the five-year plan for economic independence, encouraging automobile manufacturers to introduce large-scale automatic production lines in Detroit from the aspects of capital, tax system and foreign exchange, and investing in large-scale equipment to accelerate the realization of the country ... 7. In the aspect of coordination between international trade and environmental protection, the influence of international trade on environmental protection and environmental protection on international trade were studied, and the conclusion was drawn: international trade and environment? ... 8. Transnational internal trade and international competitive advantage. Cross-border and cross-domestic trade of multinational corporations (hereinafter referred to as cross-domestic trade) has accounted for 1/3 of world trade, and about 80% of the technology transfer fee payment takes place within multinational corporations, which affects the host country, investment countries and even the whole world economy with its huge scale and unique way. The internal trade of multinational corporations is the inevitable result of multinational corporations' pursuit of international competitive advantage ... 9. The influence of e-commerce on international trade and its countermeasures are expounded subjectively one by one. Study on the strategy of improving the international competitiveness of automobile industry. Joining the WTO means that China's economy will truly integrate into the world economy and become a part of the global economy. As a member of WTO, China must fulfill its commitments and obligations while enjoying its rights. With the full opening of China's automobile market, China's automobile industry will face international challenges.