The main treatment for tongue ligament shortening is as follows: 1. When the tongue ligament is shortened, the tip of the tongue can be seen to be depressed in the shape of a W. The tip of the tongue cannot be lifted off the jaw, which will affect the baby’s sucking of milk and will lead to unclear spitting when speaking, requiring immediate surgery. 2. 3.Although the tongue ligament under the tongue is obvious, it neither affects sucking nor speaking, so it can be observed and no surgery is needed.