As technology and society continue to progress, digital technology has gradually become an integral part of people"s daily lives. Consequently, the ethical issues arising from the development of digital technology have become increasingly apparent. As an early practitioner, Australia"s development process and practical experience in the ethical regulation of digital technology can provide insights and lessons for the ethical regulation of digital technology in China. This article first analyzes the roles played by five major regulatory entities in Australia"s digital ethics regulatory system: the government, industry organizations and associations, universities and research institutions, social media, and businesses. It then explores the development process and current policy framework of three key ethical regulation issues in Australia"s digital technology ethics regulation: user privacy protection, freedom of information access and consumer data rights, and the ethics and responsible development of artificial intelligence. Based on this analysis, it summarizes four institutional arrangements for Australia"s ethical regulation of digital technology: setting strategic goals, improving laws and regulations, enhancing resource development capabilities, and establishing multi-party cooperation mechanisms. Finally, this article presents four recommendations for the ethical regulation of digital technology in our country: constructing a multi-level governance framework, clarifying ethical regulation priorities, combining mandatory and voluntary measures, and emphasizing the importance of digital technology ethics education.