After the Douyin Showcase is opened, the method of editing videos is as follows: First, enter the Douyin application and log in to your account. Secondly, select the "Showcase" option at the bottom of the homepage to enter the Showcase interface. Then, click the plus button in the upper right corner and select "Create Video" to enter the editing interface. In the editing interface, you can select existing photos or video materials, or shoot new materials. Then, edit as needed, including cropping, adding filters, adjusting music, etc. Finally, after completing the editing, click the Publish button to upload the video to the Douyin Showcase. In short, through the above steps, you can easily edit videos and share them in the Douyin Showcase. I wish you success!