The word of mouth of a fitness club refers to a professional fitness club that allows customers to actively promote the services and products of the fitness club through word-of-mouth pyramid schemes. The principle of word-of-mouth marketing of fitness clubs is to make customers feel good and trust in fitness clubs by providing high-quality services and products, so as to actively promote them to friends and relatives around them.

The advantage of word-of-mouth marketing in fitness clubs is that it can save advertising expenses, at the same time, it can quickly acquire customers, establish brand word-of-mouth and promote the improvement of brand awareness. Through the word-of-mouth marketing of health clubs, the popularity and reputation of health clubs can be effectively enhanced.

However, there are some risks in word-of-mouth marketing of health clubs. If the service and product quality of the fitness club are not up to standard, it will cause customers' dissatisfaction and disappointment, thus affecting the reputation and development of the fitness club. In addition, the word-of-mouth marketing of health clubs needs to provide personalized services and products for different customers, otherwise it will be difficult to meet the needs of different customers, let alone get word-of-mouth communication from customers.