In males, the two bony plates protrude to form an angle that is relatively sharp to form a laryngeal knot, while in females, the two thyroid cartilages form an angle that is obtuse and inconspicuous on the surface, and it is thought that females do not have a laryngeal knot, but this is not necessarily the case. Because in some cases, during the growth and development of thyroid cartilage, children habitually rubbing, pinching the neck or throat will affect the development of thyroid cartilage, protruding forward, may show signs of throat. Female long laryngeal knot is related to three factors: 1, thinness, laryngeal knot obvious female is very thin, if a little fat, thick neck female laryngeal knot display is not obvious. 2, genetically, it may be the female father’s laryngeal knot is very large, the daughter’s laryngeal knot is also large. 3, with the level of hormones, the laryngeal knot was originally the second feature of the male, if the androgen in the female body is relatively more, it may also be developed into the laryngeal knot is the female laryngeal knot The female laryngeal node is the female laryngeal node.