As the world enters the digital era，Southeast Asian countries have formulated digital transformation strategies，and digital infrastructure construction is booming. All countries take digital infrastructure as the strategic focus of national digital transformation. Digital infrastructure construction is led by the government，attracting private sector and foreign investment，and emphasizing regional cooperation in digital infrastructure. In recent years，Southeast Asia countries has made remarkable progress in digital infrastructure construction，promoting the rapid development of digital economy，becoming a new engine to drive economic growth and promote industrial upgrading，and showing broad prospects for development.