In 2019，the overall development of China’s mobile application market was stable and had a high influence in the global mobile application market. In 2019，mobile APPs accelerated innovation and upgrading，becoming an important force in the digital economy. There were a large number of users of instant message，mobile search engine and online news APPs. The game APPs had the largest number of users，while the music and video APPs had the largest number of downloads，promoting the rapid growth of information service consumption. “APPs+small programs” had gradually become the standard configuration of government services. The live broadcast and short video APPs had been used in poverty alleviation and public welfare. The small programs and rapid applications diversified. The innovative technologies such as artificial intelligence，improved the experience of APPs. The mobile APPs regulation became more standardized，and personal information security had become the focus of regulation.