If it is a video cached in online video software such as "Iqiyi", then watch it in that software.
Click on the photo-the picture with the play arrow is the video.
The specific steps are as follows:
Open the photo.
Pictures with play arrows are videos.
Other cached videos can be viewed in the following ways:
1. For the video cached on the webpage, find the download page of the webpage and you can see the cached video.
2. Videos downloaded from major movie and television apps can be found and played in the local cache of the app.
3. When the above methods are not available, you can use the function of searching local videos of major movie and television apps to find the video you want.