The invention provides a motorcade monitoring method and a motorcade monitoring system, wherein the method includes steps of acquiring a viewing image of a first car, and acquiring a first image; acquiring the viewing image of every back car, and acquiring a second image; assembling the first image at the same moment with the second image, and acquiring the full-view loop viewing image of the motorcade; displaying the full-view motorcade image of the motorcade. The invention solves the problem that the motorcade cannot be monitored in the prior art.