Among people, the middle point of nasolabial groove is an important first-aid acupoint, which is located at the junction of the upper third and the lower half of the upper labial groove, and is an important first-aid point for dizziness. Indications: epilepsy, stroke coma, infantile convulsion, facial swelling, backache, etc. Also refers to the "center of gravity" of the human body.

From a person's long, wide, deep and straight curves, we can see a person's dignity, wealth, life span, good or bad luck, children and grandchildren.