If the line connecting the baby’s upper lip and gums is broken, it is considered to be a labial ligament injury, which can be treated with general treatment or surgical suture. If the line connecting the baby’s upper lip and gums is broken, it is usually due to trauma caused by a lacrimal band injury. If the wound is not big, it can be cured after keeping the mouth clean. However, if there is a lot of bleeding or the wound is very deep, it is usually necessary to go to the hospital for surgical suture treatment, in addition to maintaining local hygiene and so on. Baby’s upper lip and gums connected to the line broken, it is recommended to consult a doctor in a timely manner, a clear diagnosis, symptomatic treatment. The medication needs to follow the doctor’s instructions.