From the angle of view, the angle of view, that is, the direction it sends, is a matter of close proximity to the object of contact.

The conventional angle of looking at others is: (1) the horizontal view is horizontal, and it is also called formal.

It is generally applicable to people who have equal status and status on ordinary occasions.

(2) side view, it is a special case of eye to eye.

The key is to face each other, or it is rude to look at each other squint.

(3) look up and look up, that is, take the initiative to live in low places, raise your eyes and look up at others.

It shows respect and awe and applies to the elder.

(4) overlooking the eyes and looking down at others, is usually used to live in high places.

It can show tolerance and love to the younger generation, and can also express disapproval and discrimination against others.