Since the reform and open up, China's payment method has really evolved. If you come to China, you will notice people often use their mobile phones to make payments. Which has, in turn, make it become an important payment instrument. We now don't have to worry about forgetting to go out with wallets, neither do we have to carry cash and bank cards around. What we now worry about is forgetting to charge our phones. So charging booths are now fixed everywhere on the street. The speedy development of mobile communications, electronic science and technology, and the internet has changed our lives and influenced our payment customs. Our payment method has advanced into a mobile age without notice. Going out with just our mobile phones in place of cash and bank cards now satisfy basic needs. In contrast, we can now lose everything but not our mobile phones. Now let's discuss what evolution has occurred to our payment method in just a few decades.