It you have been seening mice around your home there are a few things you can do. Using a can of foam insulation or caulking - be sure to go around your home and fill in any small hole or cracks that you find. Repair holes in concrete and in bricks around your home to put a stop to mice from coming in.
Sprinkling potatoe flake around your rooms where you have been seeing mice will make them eat these flakes and they will bloat up needing water.
Using the trusty mouse trap with peanut butter!
If you don't like the peanut butter trick, there are sticky traps that you can use to catch mice just as easy. Look in home centers near you.