This paper describes the design and realization of an intelligent and autonomous equipment for the efficient collection and treatment of sea surface litter - the Sea Surface Litter Finder (SSLF). The project aims to solve the increasingly serious marine pollution problem and provide innovative solutions for marine environmental protection. This research integrates high-precision image recognition, target detection, autonomous navigation and energy management system to develop a multi-functional rubbish treatment system. The main innovations include: an accurate visual recognition system based on YOLO algorithm and NVIDIA Jetson Nano platform to achieve efficient real-time rubbish detection; an intelligent cruise system based on ultrasonic sensors and autonomous navigation algorithms to ensure full-coverage cleanup; a multifunctional rubbish treatment system that integrates collection, transmission, compression, sorting, dumping and cleaning; an oil cleaning module; and a solar energy The solar energy management system and energy tracking system. The experimental results show that the intelligent ship can effectively improve the collection efficiency of sea rubbish, which is of great practical significance for marine environmental protection.