Children’s lip tie all broken 7 days can be sutured, generally like this case, after the lip tie broken easily lead to inflammation secondary infection, need to go to the hospital for examination in the professional doctor under the clear diagnosis, diagnosis and treatment suture. Lip tie rupture is very common in children, which is caused by children’s lips hitting other objects during play or accidental fall, thus causing the lip tie to tear. If a child has an incomplete tear of the lacrimal ligament, the wound will heal naturally in a week or so without stitches and with only local disinfection. If the lip tie is broken and accompanied by a large area of laceration, has not been able to stop the bleeding, it is recommended to promptly go to a professional children’s hospital stomatology department, diagnosis and treatment by a doctor, usually using local anesthesia under the suture treatment. Whether the child’s lip tie is broken for 7 days can be sutured, it is recommended to go to the hospital in the doctor’s diagnosis to decide. In daily life, the diet should be light, avoid eating greasy and spicy food, and keep the oral cavity clean and hygienic.