It is used to collect the shallow surface sediments and overlying water samples in a large area within 6000 meters of water depth in ocean, river, lake, etc. It is placed to the sea floor by armored coaxial cable crane, and the condition of the sea floor is observed by the camera. According to the actual situation, it is operated by the deck monitoring system for on-line direct vision sampling. It is especially suitable for mineral resources investigation such as polymetallic nodules and Marine environment investigation.