China’s first Mars exploration mission, Tianwen-1 probe has functioned normally since its successful launch on July 23^rd, 2020. On February 10^th, 2021, Tianwen-1 probe entered the Martian orbit for scientific exploration and huge amount of scientific data are available up to date. With the evaluation of the flight status, Tianwen-1 probe is scheduled to perform landing campaign targeting Utopia Planitia at the proper slot from the early morning of May 15^th to May 19^th Beijing time.