5- 10 yuan. The profit of barbecue buffet in 59 yuan mainly depends on the cost of raw materials, labor and rent. Raw material cost: the cost of meat, vegetables, sauces and other raw materials accounts for a relatively large proportion, generally around 30-40 yuan; Labor costs: including the labor costs of waiters and chefs, generally around 10- 15 yuan; Rent cost: generally around 5- 10 yuan; Other costs: including utilities, cleaning and other costs, generally around 5 yuan, so the profit of barbecue buffet in 59 yuan is generally 5- 10 yuan.