What are ways that someone can treat their phobias?

https://www.google.com/search?source=hp&ei=gBBRW6moN8OotQWs_ofgCA&q=+treat+their+phobias&oq=+treat+their+phobias&gs_l=psy-ab.3...3388.3388.0.4211.2.1.0.0.0.0.139.139.0j1.1.0....0...1.1.64.psy-ab..1.0.0.0...0.SpZt4eZXCMs