The UAV of the multi-rotor type is intended to perform security reconnaissance by using image processing technology and machine learning via algorithm Convolutional Neural Networks (CNN) to create artificial intelligence (AI). It focuses on detecting people from a high angle, then analysing the behaviour of each individual based on information of directions, movement speed, the movement of arms and hands, as well as weapons, to assess the possibility of dispute and warnings. In addition, the UAV can also pursue to track moving targets (Moving object tracking). Real-time video and photos of disputes are recorded and sent back to the mobile app automatically to ease the works and coordinating with relevant agencies.