With the development of geographic visualization (GVIS), animated maps become worldwide mapping technology to represent dynamic spatial-temporal phenomena recently. The nature of animated maps is deals with the depiction of moments to capture the change between dynamic events in chronological order. From the environment observation and visual cognition experiment, this study reveal that 8.4 (fps) is the optimum speed to show animated maps. Owning to limited time, the conclusions also demonstrate that when the static symbols shift to animated ones, the retroactive inhibition and cognition overload from the cognition process should be avoid. By the time, pictorial symbols and symbols with color metaphor are good design for animated maps, especially, repeat appearing and control appearing orders will facilitate the communication effects.