1. Enter the touch screen development environment of Kunlun Normal University and create a new project.

2. Create an internal variable in the project with the type of date, which can be named "Date" or according to actual needs.

3. Add a date selector in the interface to select the date. In the property setting of the date selector, set the Value property to the internal variable Date.

4. Add a button below the date selector to trigger the date selector. In the event settings of the button, select "Click Event" and add script code.

5. Add a control to display the date in the interface, which can be a text box or a label. In the property settings of the control, set the "text" property to the internal variable "date".

6. Finally, it is tested in the operating environment of Kunlun Wanwei touch screen. Click the date selection button, and after selecting the date, the control that displays the date will display the selected date.