Combined type three-dimensional ecological algae proliferation device

The invention discloses a combined type three-dimensional ecological algae proliferation device which comprises a fish reef (1) and a culture floating raft (2), the fish reef is located below the culture floating raft (2), the fish reef (1) is a small single fish reef, the culture floating raft (2) comprises two parallel raft frames (3), a plurality of floaters (4) are arranged on the raft frames (3) at equal intervals, the two ends of each raft frame (3) are connected with raft ropes (5), and the raft ropes (5) are connected with the culture floating raft (2). A plurality of raft ropes (5) are arranged on the two raft frames (3), sinkers (6) are arranged at the ends of the raft ropes (5) and located on the seabed of an aquaculture sea area, a plurality of parallel seedling ropes (7) are connected between the two raft frames (3) and are perpendicular to the raft frames (3), a plurality of adhesion bases (8) are arranged on the seedling ropes (7) at equal intervals, the distance between the two raft frames (3)