In 2019，the core technology of mobile terminal hardware has entered the productization stage. Artificial intelligence has gradually become the basic technology of the mobile Internet. Microkernel operating systems have attracted attention. China’s AI chip has entered the “sprint period” of industrialization. 5G continues to maintain its global leadership. Enterprises accelerated the development of various smart terminals，promoted the development of storage technology and industry，and pushed the new display industry forward to the high end of value chain.