The five taboos in the food service industry: 1, excessive marketing. 2, often change the chef 3, layoffs when business is bad. 4, raw materials are not fresh and still insist on using them. 5, trying to satisfy the tastes of everyone.

Service generally refers to a class of activities that members of society facilitate each other. Its sociological meaning is to work for the benefit of others, for the collective or for a cause. Services have four characteristics: intangibility, heterogeneity, synchronization of production and consumption, and perishability.