文章对房地产销售中介代理过程中中介商的广告费用投入策略进行了研究 ,建立了最优策略数学模型 ,通过实例计算给出了最优广告费用投入方案 ,并就佣金比例、广告费用和贴现等因素进行了分析 ,提出了相应的建议和对策 This paper studies the intermediary’s advertising cost investment strategy in the intermediary agency process of real estate sales, establishes the optimal strategy mathematical model, and gives the optimal advertising cost investment plan through the example calculation, and on the commission ratio, advertising costs and discounts The factors were analyzed, and the corresponding suggestions and countermeasures were put forward