This application was developed to promote the local business district, which mainly carries out activities (such as exhibitions, small concerts, courses, immersive performances). Commercial users use another application to create activities and set the time and venue. and ticket types, then fill in the event instructions, upload event pictures or videos, and finally generate the event. The generated activities will be displayed in this application. Users can first check whether the activities are attractive. If they are interested in purchasing, they can register an account and purchase instantly online. If users like the product very much, they can share it through WeChat and WeChat Moments. When the user purchases a ticket, the system will generate a QR code for admission. In addition, if the user purchases a course, he or she can change the class time in My Functions and My Orders. Finally, on the day of the event, users can open the ticket folder in this application to display the QR code for entry, and merchants can use other applications to successfully scan the code to enter. Finally, the application will also change the status of the ticket to used.