The work aims to discuss the layout design of the digital interface of remotely operated UAV from the visual flow, so as to improve the system operation performance in view of that the information layout of visual display interface as one of interface composition elements can significantly affect the operator??s interpretation performance. The function module composition of a professional UAV digital interface is analyzed. Taking the UAV route planning task as an example, the information layout design based on the task operation process is carried out under the guidance of Gestalt rules to form multiple layout design schemes, and the performance indicators such as the completion time of tasks under different schemes are compared. The visual dynamic flow of the operator under different schemes is different, resulting in the difference of the visual reciprocating distance, which is one of the factors affecting the work performance. In the layout design of UAV interface based on task operation process, visual dynamic flow and visual sight reciprocating distance can be used as one of the evaluation bases of the layout scheme, providing ideas for improving the design of UAV digital interface.