On December 26, the Ministry of Commerce released the best practice case of the comprehensive pilot demonstration of expanding the opening up of the national service industry. The Ministry of Commerce said that, with the strong support of relevant departments, pilot demonstration provinces and cities served the major national strategies around the program objectives and tasks, carried out differentiated exploration, achieved positive results in innovative development, and the good experiences and practices formed continued to be replicated and promoted throughout the country. This time, the Ministry of Commerce and relevant departments selected some innovative measures with strong demonstration, good practicality and positive reflection from market subjects, and refined and formed eight best practice cases for reference in work. The Letter of the Ministry of Commerce on Printing and Distributing the Best Practice Cases of the Comprehensive Pilot Construction of the National Service Industry's Opening up (hereinafter referred to as the document) released on the same day pointed out that the comprehensive pilot construction of the national service industry's opening up is an important decision deployment of the Party Central Committee and the State Council, and plays an important leading and exemplary role in promoting deep reform and high-quality development with high-level opening. Strengthening the summary and refinement of pilot demonstration innovation achievements will help to provide systematic and comprehensive solutions for the open development of related industries. According to the documents, since 2018, the pilot demonstration has begun to promote experience and cases to the whole country. Up to now, there have been 7 batches of 35 projects, involving industrial opening, cultivation of new business types, reform of systems and mechanisms, trade and investment liberalization and facilitation and other fields. Among them, there are 4 batches of 26 best practice cases, mainly in the form of "one case for one place", which mainly reflect the individual innovation achievements in specific regions. The document points out that this best practice case includes industrial comprehensive cases and characteristic exploration cases. Among them, industrial comprehensive cases have breakthrough points to connect the industrial chain system of intellectual property service industry; Focus on key links to explore innovation and promote high-quality development of the medical industry; Promote the innovative development of financial leasing and improve the ability to serve the real economy; 4 cases including multi-point promotion of innovative development of modern logistics industry. Characteristic exploration cases include exploring the multi scene application of digital means in public management services; Improve supporting services to support high-quality development of high-tech industries; Optimize the service system and improve the level of cross-border trade facilitation; 4 cases, including strengthening talent guarantee and optimizing business environment. These experiences and practices have achieved positive results. Taking optimizing the service system and improving the level of cross-border trade facilitation as an example, in order to solve the problems of cumbersome trade authenticity verification process, long handling cycle and large potential risks in international settlement of service trade, Chongqing extended the "single window" management of goods trade to the field of service trade, cooperated with relevant cross-border financial blockchain service platforms, and adopted artificial intelligence technology, Provide bill verification services for international settlement under service trade and capital finance, and promote the facilitation of international settlement of service trade. After the introduction of this innovative approach, the time and cost for enterprises to prepare documents and documents offline have been greatly saved, and the burden on banks to manually review enterprise information has also been reduced. The bank processing time has been shortened from two days to less than two minutes, and the settlement efficiency of trade enterprises has been improved by more than 50%. The document pointed out that pilot demonstration provinces and cities improved cross-border trade integration by optimizing cross-border trade investment risk management, carrying out cross regional port customs clearance cooperation, implementing "single window" international settlement of service trade, etc