1. Slice the beef tenderloin first, then cut it into shreds horizontally according to the texture; put a little baking soda and knead it evenly, rinse it with water after 15 minutes, and dry it with kitchen paper;
2. Put the shredded beef in a bowl, add a little salt, moderate amount of egg white, light soy sauce, and sugar, and knead it evenly with your hands; then add the dry starch, and continue to knead it until the surface of the shredded beef is a white powdery paste.