Horizontal deepwater aquaculture net cage

A horizontal type deepwater aquaculture net cage comprises a net cage frame which is cylindrical and transversely arranged in water. A netting is arranged on the net cage frame; at least one end of the net cage frame is open; rotating devices are arranged at two ends of the net cage frame. The horizontal deepwater aquaculture net cage is transversely arranged in water, rotating devices are arranged at the two ends, and when a high-pressure water gun is used for cleaning, the horizontal deepwater aquaculture net cage freely rotates; one part of the horizontal deepwater aquaculture net cage is exposed out of the water surface to facilitate feed feeding; the side end cover is a net-shaped cone frustum shell, so that aquatic products can be conveniently and smoothly poured out during harvesting; the detachable three-section type working platform not only facilitates feed feeding operation, but also can be moved at any time during flushing operation; when stormy wave disasters occur, the floating body can be detac