随着企业实力的壮大，许多企业都遇到了品牌延伸的问题。现代营销学认为，品牌延伸一般可循着两条线路：一是单品牌策略，典型的是索尼公司；二是多品牌策略，宝洁公司应用最为娴熟。单品牌策略的优点是可以节约大量宣传费用，缺点是使消费者不易识别产品，比如索尼又是电视， With the growth of business strength, many companies have encountered the problem of brand extension. Modern marketing believes that the general extension of the brand can be followed by two lines: First, a single brand strategy, typically Sony; Second, multi-brand strategy, Procter & Gamble is the most skilled application. The advantages of a single brand strategy is to save a lot of publicity costs, the disadvantage is that consumers are not easy to identify products, such as Sony is television,