These days, the epidemic have evolved from a huge disaster to a protracted war. And as a precious and indispensable protecting resource, vaccine is definitely deserved our reminding because of its lack to some extents. In this paper, we develop mathematical models to predict the daily vaccination numbers in a short phase and more crucially, analysis a number of factors to Figure out a more efficient plan to allocate the vaccine among the central hospitals, community hospitals and health centers. And based on the conclusion, we give a brief note to the medical institutions.