Chin pocket is an expression feature related to the bony shape of the mandible. It refers to the more prominent area of ??the mandible, usually manifesting as a slightly convex three-dimensional effect at the chin. The size and shape of the chin pocket vary from person to person. Some people have very prominent chin pockets, while others have almost no obvious chin pocket. But in general, the chin pocket is one of the facial features of a person, which can affect the facial contour and facial features. Expressions have a certain impact.

In some cultural contexts, chin pockets also have certain aesthetic value. For example, in Japan, the chin pockets often drawn at extremely low angles in some girl comics are typical examples. Among some fashion magazines and entertainment stars, there are also some people who have become the objects of discussion and imitation because their chin pockets are particularly prominent. Overall, chin pockets can become part of a person's unique characteristics and personal appearance.

Although chin pocket has certain cultural and aesthetic significance, from a medical perspective, it is more of a physiological feature related to the growth and development of the jaw. In some cases, the chin pocket is too protruding or sunken, which can affect a person's normal function and health. Severe chin deformity may require treatment through corrective surgery or jaw plastic surgery, while some minor chin deformities can be improved through oral correction and other methods.