It's free. Inquire about the self-help announcement of Flame Mountain, and know that you can have a free meal with your ID card on your birthday, and every customer who enjoys the above discount needs a regular escort. So the birthday of the Flame Mountain Buffet is free. Weiyang district Huoyanshan buffet gourmet restaurant in Xi City was established on 20 15, located in Xi, Shaanxi Province, and is an enterprise mainly engaged in catering industry.