In this work, a fish cap structure is created.The utility model comprises that the top surface of the main body is concave downward to form a water holding tank.The notch is further convex to the outer ring with a supporting part.In addition, a protective film is covered on the bottom of the main body.The water guide pipe is arranged at the bottom of the main body.And one end of the water conduit protrudes from the water holding tank and the other end protrudes from the bottom surface of the main body；The sealing plug assembly is installed on the main body and sealed.Pull out the water conduit；And a plurality of supporting frame members are arranged at the top edge of one side of the corresponding main body of the fish boom.And one end of each support frame rod is connected with a fish boom.And the other end of each supporting frame pole supports the erection of the main body.The main body is attached to each supporting frame rod by a hanging part.本創作一種魚塭蓋結構，其包括主體頂面向下凹設形成有盛水槽，槽口處進一步向外環凸有掛抵部，另外在主體底面係披覆有保護膜；導水管設置在主體底面，又導水管一端凸出於盛水槽內而另一端則凸出於主體底面；封塞組件裝設於主體並封塞、拔離導水管；及複數支撐架桿係分散設置在魚塭對應主體的一側之頂緣處，而各支撐架桿的一端連結魚塭，又各支撐架桿的另一端則撐持主體的架設，該主體以掛抵部貼抵於各支撐架桿。
