Roujiamo is the well-known food in Xi'an. It was originated from Warring states. At that time people called it Cold Meat (Hanrou). It is generally called Chinese-style hamburger. The most famous producer of Roujiamo is Fan Fengxiang and his son. Their shop was founded in 1925 with more than 80 years.

Roujiamo comes from the ancient Chinese "Rou jia yu mo"  (port stuffed in pancake). Roujiamo is made of mincemeat wrapped by griddle steamed bread. Meat used in Roujiamo is a kind of cured meat stewed with assorted sauces in a kettle. This makes the meat soft, eay to chew and taste with a lasting flavor. HIgh culinary  skill is required to produce this kind of meat.