A kind of method and system, for predicting the number of calls in a call center, it is arranged to prevent sale decline due to manpower waste material or deficiency, it is suitably disposed available manpower by the heart in a call, lines up the number of calls sold in a TV home shopping for buying goods or service is predicted on the basis of past order quantity information. One database (10) stores past order quantity information. The search of one order quantity information searchers (20) is as the past order quantity information for the identical items for predicting cargo or from the service of database. One forecast order amount calculator (30) calculates the forecast order amount by a broadcast time range and the automatic order preferential price for predicting cargo or the service from past order quantity information. One calling forecaster (40) by a ratio prediction prediction number of order calling, in a call the heart into the quantity of pre-battle calling and according between the time of forecast order amount/price range order quantity.
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