Idiom
it doesn't hurt toit doesn't hurt to (do something)
it is an advantage to do or have something.It doesn't hurt to take a look at what you've done and see if it could be improved.It doesn't hurt to have a group of talented, educated people living in your community.
Usage notes: also used in the forms it couldn't hurt, it wouldn't hurt, or it can't hurt, or in the form of a question, would it hurt, all with the meaning that doing or having something would be an advantage