The utility model relates to an artificial cultivation equipment for rod-shaped general fern algae, which comprises a frame shaped main body enclosed by a hollow tube, and an upper net and a lower net are respectively arranged on the upper and lower edges, so that a cultivation space is formed between the two nets, and the middle air tube is provided with an inlet and an outlet. When the main body is immersed in water, the middle air tube is filled with water and sinks into the water, and an air pump is connected with a connecting pipe The utility model is connected to the inlet of the hollow pipe, and the water in the hollow pipe is discharged by inputting air, so that the body can generate buoyancy and rise to the water surface.一種棒形總狀蕨藻之人工養殖設備，其包括有一由中空管圍成框形之本體，且於上緣及下緣分別設有一上層網及一下層網，令兩網間形成一養殖空間，而中空管設有一入口及一出口，而當本體沉浸入水裡後，則中空管內充滿水而沉入水裡，且一空氣泵以一連通管連接至中空管之入口，並藉由輸入空氣以將中空管內之水排出，而可令本體產生浮力而升上水面。
