Objective prediction of monthly rodent density. Methods The database of monthly rodent density in Hebei province from 2008 to2014 was constructed with SPSS 21.0 software. A mathematic model was constructed using ARIMA model of 21.0 and usedto predict the situation in 2015. Results The main rodents were Rattus norvegicus and Mus musculus in Hebei province.The rodent density presented seasonal periodicity during 2008 to 2014 in Hebei province and the seasonal distribution of R.norvegicus and M. musculus was t...