Method One:
We first need to connect the iphone to the computer, and then in the computer we double-click "My Computer" or "computer", and then open the interface you will see a U disk file like the management of photos and video (only show photos and video). Then we select right click, click on the pop-up menu "Import Pictures and video", you can put all the photos of the iphone, video into the computer, is not very simple AH.
Method Two:
Sync pictures in your computer to the IPhone
The computer needs to have ITunes installed, and then we connect the iphone to the computer. Then find the iphone on the left of itunes and click on the "Photos" bar.
In the photo interface we click "Sync Photos" to select it, and then click the folder you want to sync, as shown in the following image.
After selecting the folders that need to be synchronized, we have a "sync" button in the lower part to sync.