Disclosed is an automatic conveying system used for conveying a cultivation carrier (114), and comprising: a water tank (102) filled with water, wherein the cultivation carrier (114) is arranged in the water tank (102) and floats on water, and the cultivation carrier (114) is used for cultivating a plant. The system further comprises: a first conveying assembly and a pushing assembly (112), wherein the first conveying assembly is fixed on the water tank (102), the pushing assembly (112) is used for pushing the cultivation carrier (114), and the first conveying assembly is capable of driving the pushing assembly (112) to move in both forward and reverse directions. The automatic conveying system can realize automatic pushing of the cultivation carrier (114), so that the whole cultivation process is simple, thus improving the convenience, strengthening the practicability, and effectively reducing labour costs and improving the production efficiency.
