In the F&B industry, the fast food processing industry is a very competitive segment and is dominated by most other large restaurants. Therefore, smaller restaurants need to grasp the market development strategies to navigate their customer base. If you want to develop a successful fast-food chain market, managers need to know who their key customers are and what they will buy before developing marketing and advertising strategies. Multi-tiered hamburgers, french fries, golden chicken pieces, etc. are dishes that appeal to those who are addicted to this greasy fast food. Accordingly, fast food brands are springing up more and more in Vietnam, each offering a different taste. As can be seen, fast food chains are heavily dominated by the food processing industry and other large restaurants. For smaller restaurants, it is necessary to grasp what competitive market factors are, who are the target customers, what they want, where their main needs come from to devise a development strategy. develop the right fast food chain market to navigate its customers.