.The large aquatic weed harevster enteromorpha salvage collection device is a customized and new type device for "Ocean University of China".We upgrade technology and remould the "Haizhuangyuan" sea enteromorpha comprehensive disposition platform of"Ocean University of china”,change the suction pump type of self-salvaging device to crawler-type, which improves the salvaging efficiency obviously.2.The harvester device consists of conveyor and driving equipment. The conveyor equipment includes conveyor belt and the support used for installing the conveyor belt. There is enteromorpha striking gear fitted at the front of conveyor belt support. The whole driving equipment adopts hydraulic system with stabilization and high efficiency. Manual work is not needed for the whole process, which can improve the working efficiency.