Amazon is a global retail and cloud service giant that provides Amazon online and other retail related services, AWS cloud services, and is a leading player in the industry market. Its financial core business is divided into two parts - retail business (online online store, offline physical store, third-party seller service 3P seller service, subscription business, and advertising revenue), and intelligent cloud (AWS). In addition to its traditional retail business, Amazon has continuously invested in research and technological innovation, launching disruptive and influential products and services such as the Kindle, Echo, Alexa, AWS, and continuously improving and optimizing its existing business, providing more convenient and efficient user experiences such as Prime, FBA, Amazon Go, and building a platform that includes e-commerce, cloud computing, digital content, intelligent hardware, artificial intelligence The huge and complex Business ecosystem in many fields, such as the Internet of Things, has gradually increased the proportion of high profit revenue from cloud services, advertising, and merchant platform services. The essence of the company has changed from an e-commerce retail company to a comprehensive technology company focusing on providing online services, realizing diversified revenue sources and profit contributions.