Beef should be cut across the fiber grain. The specific operation method of cutting beef is as follows:
1. Place the beef on the chopping board and use a knife to remove the white tendons on the surface of the beef.
2. After removing one side, turn it to the other side and continue to remove the white tendons.
3. Remove the clean beef as shown below.
4. Cut the beef into pieces of about four centimeters.
5. Cut each small piece of beef into slices across the fiber lines.