There are physiological and pathological reasons for the lack of laryngeal nodes in boys, physiological reasons include immature development, more fat in the neck, etc., pathological reasons such as androgen deficiency. 1. Physiological reasons: the laryngeal knot is the cartilage protrusion of the human throat, men from puberty, the body’s androgen level gradually increased, so that the neck thyroid cartilage protrudes forward to form the laryngeal knot, not yet appeared the laryngeal knot may indicate that the development is incomplete. The size of the laryngeal nodes varies from person to person due to individual differences. Some boys with thicker necks and more fatty tissue will not have a prominent laryngeal node. 2. Pathological reasons: If there is no obvious throat knot, and at the same time there is a scarcity of pubic hair or armpit hair, and erectile abnormality and other symptoms, suggesting that the gonads may not be fully developed, the body’s androgen level is low. If there is no obvious throat knot, it is recommended to go to the hospital for a systematic examination to clarify the possible causes.