UAV design with sea rescue function, the concept is through the advantages of UAV portable and rapid rescue, the first time to rescue, the existing rescue measures can not be the first time rescue, and the use of UAV rescue can greatly improve the success rate of rescue rate, the automatic release of the UAV lifebuoy can use the projection force to automatically release, infrared induction state recognition can effectively detect the state of the character, and the use of cameras to observe the swimming state of the character