The most basic and most useful functions that Photoshop allows you do is to remove the background in photos or images, allowing you to use the chosen subject in a different image.
In other words, it allows you to take a selfie on a hilltop, cut yourself out and with a little Photoshop magic, make all your friends think you’re actually there.
In Photoshop, there are multiple ways to achieve this, all of which are quick and easy.

Here are the tips for some easy ways to remove the background in Adobe Photoshop CC