The tendon under the baby’s tongue connected to the tip of the tongue is considered to be caused by a short tongue tie, which requires timely consultation and general treatment or surgery under the guidance of a professional doctor. 1. General treatment: If the baby is small and the body is not fully developed, there is no need to be overly nervous, as the baby grows and develops, this situation will gradually ease, you can temporarily observe, and regularly consult a doctor for review. 2. Surgery: If the baby’s tongue tie is too short to affect the normal development of the baby, resulting in speech delay, spitting out words and other symptoms, you can choose to undergo surgical treatment, such as tongue tie lengthening surgery. In the process of treatment, you need to bring your baby to the doctor for regular checkups to understand the recovery of your baby’s body, and you also need to carry out functional training appropriately.