Geographical distribution of meteorological indices for suitable hothouse inbound date of prawn is analyzed and generalized from years of cultivation experiments for coastlands of Jiangsu Province.Correlation among the earliest,optimal and the latest hothouse inbound dates are inv estigated when corresponding indices turn up.Taking Sheyang County and Nantong City as examples,models are established to predict the hothouse inbound date and may offer a theoretical basis and a new approach to weather service of the hoth ouse inbound of the female prawn.