This is an open access book.E-commerce is a commercial activity centered on commodity exchange by means of information network technology. In the open network environment of the Internet, based on the client/server application method, buyers and sellers carry out various commercial activities online, realizing online shopping for consumers, online transactions between merchants and online electronic payment, as well as various business activities, trading activities, financial activities and related comprehensive service activities of a new business operation mode. It is the electronicization, networking and informatization of all aspects of traditional business activities.Internet technology is the prerequisite for e-commerce to be realized. The development and popularization of Internet technology has also played a positive role in promoting the development of e-commerce. Internet technology is a double-edged sword, with advantages and disadvantages, since it can promote the development of e-commerce, it may also affect its normal construction, such as the existence of theft of information, tampering with information, counterfeiting, malicious damage and other security risks, but also through the firewall technology, data encryption technology, authentication technology, digital signature technology and other technologies to regulate the transaction process.Therefore, the influence of the two is mutual, and only through continuous friction can we continuously promote the development of both sides in a benign direction.ECIT 2023 provides a platform in order toCreate a forum for sharing, research and exchange at the international level, so that participants can be informed of the latest research directions, results and contents of applied Internet technologies on e-commerce, thus stimulating them to generate new research ideas.Promote the development of e-commerce by studying its problems.To open up new perspectives, broaden horizons and examine the issues under discussion by the participants.Each accepted article requires at least one author to attend the meeting and present it.