Are they inside or outside and what are they? Would love to help, please give more information.
Mouse traps at the dollar store. Both chipmunks and mice like peanut butter for bait.
We found they like butter flavored Crisco too.
Our post on roaches is also great for rodents like mice. We have had readers use many of these methods for all types of rodents inside and outside: https://chemistrycachet.com/how-to-get-rid-of-roaches/
Find out where there getting in, then stuff holes with steel wool. mothballs are a great deterrent , for inside or out. And when all else fails I use decon mouse poison. They eat out, and it dries them out when they die, so there's no smell.