The invention discloses a microbubble conveying device. The microbubble conveying device comprises a water tank, a microbubble machine and a microbubble water tank, wherein a water-level sensor is arranged inside the water tank, a water inlet pipe is arranged at the top of the water tank, a water outlet pipe is arranged at the bottom of the water tank, and connected with the microbubble machine, the microbubble machine comprises a water cutting chamber and diffusing impellers arranged in the water cutting chamber, the diffusing impellers are connected with a motor, one side of the water cutting chamber is connected with the water outlet pipe and an air inlet pipe, the other side of the water cutting chamber is connected with a microbubble tube, the microbubble tube is connected with the microbubble water tank, multiple microbubble conveying pipes are arranged at the bottom of the microbubble water tank, and valves are arranged on all multiple microbubble conveying pipes. The microbubble conveying device disclosed by the invention is novel in design, simple and reasonable in structure and convenient to use, effectively generates and stores microbubbles, and expands the application field of the microbubbles.