How much of your basement is below ground? Do you have a water problem or just a moisture problem? What do you want to do with the basement, finish it off or whatever? What state do you live in?
There are an awful lot of Posts on the main Forum page about 'water', 'crawlspace', and 'basement'. Search the page with your Browser's FIND (or SEARCH) feature. Read the posts, and 'collect' all the info about what's recommended about fixing water problems with below-ground structures. (I've personally written about it at length so I'll beg off on doing it again.) Of course, if you have more specific questions, post them up and they can be addressed.