I know many of you know how to do this...

but i know some of you don't...

1)Using Polygonal Lasso Tools...

-very easy..but need to be careful~

-How to use it?

very simple..just make dot dot at area you want to cut and click "Edit -->Cut"

2)Using Magic Eraser Tool

-the easiest but sometimes complicated :P

-How to use it?

Click on this icon...use "fuzzy" brush..adjust the opacity..i usually use "55.1" and scale it to the suitable size.

then just erase the unwanted area~EASY RIGHT?

3)Using Paintbrush

-maybe some of you don't know how remove bgs using this tool..

-How to use it?

Adjust the paint colour same with the bgs colour like this :-

the start making outlines around area you want

and lastly...paint out all the unwanted area...EASY?yes~