The present invention provides a power receptacle with protective functions, which includes a base assembly, a grounding assembly coupled to the base assembly, a first faceplate coupled to a top of the base assembly, and a cover assembly. The first faceplate includes at least one USB (Universal Serial Bus) interface slot electrically coupled to the base assembly. The cover assembly is removably coupled to the first faceplate and configured to cover the USB interface slot. The power receptacle can prevent dust and other objects from entering the slots, thereby ensuring the safety of the receptacle and prolong its life.