Lip continuity means that people's lips are not obviously broken, the mouth line is straight, the lip shape is complete and the appearance is more beautiful and natural. People in this state have beautiful facial lines, which is conducive to shaping a gentle and elegant temperament. At the same time, people with continuous lips often smile brightly, which brings people a positive and enthusiastic life experience.

Lip continuity is also an important concept in the field of medical aesthetics, especially for plastic surgery such as oral plastic surgery. In terms of makeup, people often use lip liner to outline lips. In order to make the lips look continuous and natural, it is necessary to draw a little corner of the eye line when drawing the lip line to achieve a more natural and smooth effect.

In addition, the continuity of lips also plays an important role in emotional communication. If a person's lips are discontinuous, the quarrel is obviously broken, which may give people an impression of insincerity and unfriendly, thus affecting interpersonal communication and emotional communication. Therefore, keeping lips healthy and continuous is of great significance to people's personal image, medical beauty and emotional communication.