Metropolitan City's Ying Yang Miracle Doctor is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Lin Xiu returned from Xiandao, swaying the masters of each road with a proud attitude. With immense medical knowledge of both the spiritual world and the Physical World. Watch as Lin Xiu solve problems for the everyday life, and the supernatural. What? Someone is making trouble? Not satisfied? Are you someone important? Screw you then, I step on people like you just for fun, money? Power? What does that gotta do with cleaning out the garbage?