Compare the advantages and disadvantages of Samsung's single brand strategy and Procter & Gamble's multi-brand strategy: The advantage of Samsung's single brand strategy is that it can greatly save publicity expenses, but the disadvantage is that it is difficult to change the original impression of consumers when extending the product line at different grades. The advantage of P&G multi-brand strategy is flexibility, and the disadvantage is high cost, which requires enough high-quality brand management talents. Samsung's single brand strategy is embodied in that Samsung's main product is mobile phone, which will save a lot of publicity expenses. However, when this inherent impression is formed in people's minds, it is difficult to change it by extending the product. The advantage of P&G multi-brand strategy lies in its flexibility. Starting from the function of shampoo, P&G introduced shampoos with different functions and brands to the market in time. In order to meet different needs, many brands have different goals and special purposes for consumers to take, but the disadvantage is that different functions need different talents to develop and manage, and the cost is relatively high.