There are many people who are studying its feasibility, and it is a very interesting topic to judge what the other person is thinking by observing micro-expressions.

For example, happy: Facial movements when people are happy include the corners of the mouth curled, the cheeks are raised and wrinkled, the eyelids are constricted, and "crow's feet" form at the end of the eyes.

Sad: Facial features include squinting, tightened eyebrows, pulled corners of the mouth, and chin raised or tightened.

Fear: When scared, the mouth and eyes are open, the eyebrows are raised, and the nostrils are wide open.

Anger: At this time, the eyebrows droop, the forehead is wrinkled, and the eyelids and lips are tense.

Disgust: Expressions of disgust include snorting, upper lip up, drooping eyebrows, and squinting.

Surprised: When surprised, the jaw droops, the lips and mouth relax, the eyes open wide, and the eyelids and eyebrows are slightly raised.

Contempt: The famous feature of contempt is that the corners of the mouth are raised on one side in a sneering or smug smile.

Common micro-expressions are:

1. Shake one shoulder - it's easier to shake one shoulder when you're not confident (not all shoulder shakes are not confident).

2. Look into the other person's eyes - When a person is ready to lie, it is easier to look into the other person's eyes, and has made the other person believe or observe whether the other person believes or not. (It's not that looking into the other person's eyes is lying)

3. Stiff repetitive questions in response – Stiff repetitive questions in response are likely to be typical lies.

4. Place your hand between the brow bones – When a person is ashamed, the most likely action is to place your hand near the brow bone or frontal bone to create a visual barrier.

5. Rubbing your nose – to hide the truth (the cavernous body in a man's nose itches easily when lying).

6. Looking to the left of the eye is usually recalling, and looking to the right is usually thinking about a lie (changing the situation according to each person's baseline).

7. A surprised expression of more than a second can be a fake surprise (there will be an exception for the average person).

8. The man's right shoulder shrugged slightly, which is a lie (not very proven, for the Chinese suspect).

9. When you can't recall things backwards, then they must be made up.

10. Touch your forehead with your hand – to show shame.

11. Pupil dilation - fear, anger, **.

12. The words are repeated and the voice rises - lying.

13. Limb resistance takes a step back, indicating that what was just said is not credible

14. Pouting the classic ambiguous action

15. Touching the neck The person will touch the neck when he lies, and the typical compulsive behavior is a mechanical reaction

16. Arson and rape are essentially the same, both belong to the power of asserting oneself

17. When lying, there is no corresponding expression, often without any expression

18. The more popular a student is in school, the more likely they are to lie.

19. Keep your hands rubbing, a self-soothing gesture to put yourself at ease when you don't believe what you're saying

20. When the real murderer sees the photo of the victim, he will show disgust, contempt and even fear. But it won't be a surprise.

21. If someone is about to commit a bloody crime, there will be an expression like this: the eyebrows are furrowed downward, the upper eyelids are raised, and the bags under the eyes are tight

22. Show the middle finger (** gesture), which is a symbolic and subconscious gesture of specific consciousness, full of hostility.

23. The nostrils are turned out, the lips are closed, and the angry is angry.

24. The chin is raised, the corners of the mouth are drooping, and you blame yourself.

25. Eyebrows up, taut, fearful.

26. If you speak suddenly and loudly first, and then slam your hand on the table, this is a gesture to react to something terrible with a time difference. If it's really angry, these two actions will be done at the same time.

27. Raise the right eyebrow to indicate that you are questioning.

28. The left half of the face, which is controlled by the right brain, is more likely to reveal the true emotions of the heart (left-handers are the opposite).