1, the taste is different: the medium-rare steak is mainly light grayish brown with a little pink, which is thick and chewy; The well-done steak is brown, with cooked meat, and the beef has been cooked as a whole, which is very heavy.

2, the center temperature is different: the center temperature of medium-rare steak is generally 65? C- 68？ C. Touching the tip of the temperature probe by hand is slightly hot; The center temperature of well-done steak is generally 73? C- 90？ C. Touch the tip of the temperature probe with your hand, and it feels very hot.

3, different touch: medium-rare steak reference touch: thumb and ring finger touch, press the thenar touch of the palm, slightly hard and elastic; Reference touch of well-done steak: the touch of thumb and little finger lightly pressing the thenar of palm root.