Abstract:With the continuous update, iteration, and development of 5G, the wave of new technologies continues to surge, the concept of post-5G technology is innovated. In order to explore the scientific path for the high-quality development of Guangdong's post-5G technology, this article analyzes the status quo of Guangdong's 5G technology and industry development based on the analysis of the status quo of 5G and post-5G development at home and abroad. After investigation, consulting with experts, and literature review, it was found that Guangdong’s 5G development has such problems as industrial "stuck neck", small-scaled industry applications, and insufficient tracking of new technologies. Such domestic post-5G technologies also have great potential for "overtaking". For example, the radio frequency chips and devices based on new generation of semiconductor materials, autonomous and controllable underlying operating systems, and open source and open chip instruction sets. At the same time, other technology aspects have great potential for "being overtaken" risk, such as space-to-ground communications, millimeter-wave terahertz in high-frequency communications, and open communications network. In order to continue and ensure the advantages of Guangdong’s post-5G technology, this article proposes such countermeasures and suggestions on strengthen the strategic layout of the innovation and development of the communications industry, deepen the deployment of core technologies that are independent and controllable, cultivate the application industry ecology of the 5G industry in an all-round way, continue to support the research of post-5G forward-looking technology, stabilizing the financial support mechanism, continuing to deepen international cooperation and cultivating aggressive innovation team.