The best time to operate on a short lingual ligament is still controversial in clinical practice and should be analyzed on a problem-specific basis. If the patient’s tongue tie is short and thin, trimming can be considered at about 2 months of age, and the treatment usually does not require anesthesia and sutures, and cotton balls can be slowly recovered by compressing the blood. If the tongue tie is short and thick, consider surgery at 1-2 years of age, as most babies around 2 years of age are less cooperative and may need general anesthesia, and if there is too much bleeding, it is easy to cause asphyxia.3 If the tongue tie is short and thick, consider tongue tie surgery around 3-5 years of age, when most babies can cooperate better and can be performed under simple local anesthesia, while allowing the baby to Voice training, which is currently supported by most medical experts. After lingual ligament surgery. Patients need to pay attention to the maintenance of oral hygiene, practice more tongue rolls, use saline gargle, and try to choose liquid food before recovery to promote wound healing and voice recovery.