Abstract: As a key infrastructure for the digital transformation of the economy and society, 5G has a strong spillover effect, and promotes high-quality economic and social development by stabilizing investment, promoting consumption, increasing employment, and adjusting structure. Currently, 5G industrial applications in China are demonstrated by leading enterprises, and the transformation from policy guidance to large-scale applications has not yet been achieved.This paper analyzes in detail the challenges for 5G applications at this stage, and the root causes of the problems from the perspective of economics, thus proposes policy suggestions in three aspects: creating model benchmarks, exerting platform efficiency, and improving public policy.

Key words: 5G application, 5G convergence, digital transformation