An electronic device including a first body, a first connecting assembly, a second body, and a second connecting assembly is provided. The first body has a recess, and the first connecting assembly is disposed at the first body and hidden in the recess. The second connecting assembly is disposed on the second body in protruding manner. The second connecting assembly is fit to be assembled in the recess and electrically connected to the first connecting assembly, such that the first and the second bodies are detachably assembled to each other.