The needs of the egg become a problem at certain times. Sukamulia Farm is one of farms that produces an egg in South Sumatra. By implementing Trend Moment Method in forecasting system, Sukamulia farm can predict how many of egg that is needed by the customer in a certain time. The trend moment method that used in this research is based on historical demand. As a result, this forecasting method can produce a recommendation quantity of purchase in fulfillment the need of broiler-egg by involving seasonal index. This study use Mean Square Error to analyze error of forecasting. The result of MSE of this study is 19399,5833