With the maturity of products such as Alipay and WeChat payment, China Mobile payment market development maturity has a leading position in the world. Mobile payment has become the main method of payment by Chinese netizens. As the data of iiMedia Research showed, the number of mobile payment users in China reached 659 million in 2018, and the monthly mobile payment accounted for 43.6% of the total expenditure. The “no cash era” is expected to be realized. At present, Alipay and WeChat payment duopoly dominate China's third-party mobile payment market, and their market transaction size exceeds 90% of total maket. Among them, WeChat payment is dominant in the offline life scene, it is 54.9% of users who prefer to use WeChat payment in the offline small scan code payment; the online e-commerce scene is dominated by Alipay, it is 64.9% of users who prefer to use Alipay in the online large amount of scan code payment. The demand for mobile payment users in developed cities and sinking cities is different. Users in third- and fourth-tier cities prefer to use WeChat payment online and offline, accounting for 58.6% and 72.5% respectively; while online payment preferences for users in first- and second-tier cities use Alipay. The ratio is as high as 72.0%. In the future, the competition for mobile payment companies will focus more on the competition for the scene. The competition in the sinking market is also the focus of the future.