The first way is to log into the Pea folder cloud service, the mouse to move to the photos you need to delete, click on the bottom right corner of the photo appears in the "Trash Can" button to delete the photo;
The second is to open the software after the pea clip, connect the phone and click on "My Pictures" in the "cloud album" in bulk Select you need to delete the photo after clicking the "Delete" button;
The last one is the use of pea clips in the mobile phone, click on the top right corner of the "Nine"-"Cloud album" label, Long Press to select the photos you need to delete the top right corner of the "Trash bin" button.
In these three ways, you can delete the pictures in the Pea folder Cloud album, if you start a synchronous backup, as long as the phone has this picture, so even if you delete the photos in the cloud backup, or will be back through the mobile phone, so first delete the phone inside and then delete the cloud backup is better.