5G smartphone rapidly expand its discourse power in the market in 2020. YTD 5G smartphone shipments were 77.508 million units, represented 44.2% of the total shipment. The total number of new models were 119, accounting for 46.5% of the total new models. Comparatively, total 5G smartphone shipments and new models released in 2019 were 13.769 million and 35. The main reason for the increase of 5G mobile smartphone market penetration is that the major manufacturers turn to compete in the 5G market when they released the new products, which led to consumers’ passively acceptance 5G smartphone. As the data of iiMedia Research showed, 41.6% of the interviewees purchased 5G smartphone because of the normal replacement of the mobile phones. However, 73.3% of non-5G smartphone users think that it is not necessary for the public to buy 5G smartphone at this stage. At present, 5G mobile smartphone do not show obvious advantages over other mainstream smartphones. On the contrary, the high traffic pricing of 5G smartphone and the lack of commercial cities make the replacement of 5G smartphone with low cost performance, and thus hinder its market popularization. In the future, only by standing from the demand side, reflecting the advantages of 5G in communication transmission in smartphones, and developing killer application that can only rely on 5G smartphones, can we accelerate its popularization.