A sliding type handheld mobile device is disclosed. A screen module covers a plurality of keys of a body, and may slide relative to the body to expose the keys. The screen module has an opening to allow the FPC to pass through and connect to the body. One end of a linkage is connected to the body, and another end is connected to a shuttle to make the linkage driven by the body and push the shuttle to cover the opening. This may prevent electronic components inside the screen module from being exposed.