Refers to meat with belt tendons that is difficult to chew and stew. Beef with tendon head and brain is some specific parts of cattle, such as beef belly, beef heart tube, bezoar throat, beef tendon, beef tendon and beef tendon. These parts are all chewy parts of beef, hence the name "Tenderness". Beef tenderloin is a common famous dish, and the food raw material in it is mainly the parts of cattle. These parts have their own characteristics, for example, the tripe is the stomach, the heart tube belongs to the aorta of the heart, the bezoar throat is thick and the taste is unique, while the beef tendon and beef tendon are the muscles of the back and the ligaments on the tendons and bones of cattle, which not only have chewing heads, but also contain rich nutrients such as amino acids and protein.