The present invention belongs to the sliding cover type portable terminal technical field, characterized in that, the provided sliding cover type portable terminal is made up of: a first hull; a second hull mounted with the first hull together to slide; a locking device, mounted between the first hull and the second hull, when the terminal is in an opening state, the first hull is locked with the second hull; or in an closing state, the first hull is locked with the second hull. The sliding cover type portable terminal of the invention can prevent the closing or opening unexpectedly without being controlled by the users. |