The invention discloses a minitype audio and video surveillance bullet. The surveillance bullet is a bullet body composed of a bullet head, a bullet middle and a bullet tail which are coaxially connected in sequence. The bullet body can be mounted on an emission gun barrel in a sleeving manner through the bullet tail, and the bullet body is emitted through an emission gun. A penetration body is arranged at the front end of the bullet head and can invade a target object under the power action of the emission gun. The bullet middle is provided with an inner cavity, and an audio and video surveillance device is fixedly arranged in the inner cavity and is utilized for carrying out audio and video surveillance on the surroundings. The minitype audio and video surveillance bullet has the advantages that the surveillance bullet and a handheld display controller are used in cooperation, all-time remote control guard surveillance on audio and video information of a target area can be achieved,and selective all-time fixed-time audio and video information surveillance can be carried out on the target area at different sensitive time quanta; and the advantages of good environment adaptability, high defense penetration capacity, far remote control surveillance distance, fast and real-time information surveillance and the like are achieved.