Patient: Hello, Dr. Sun! My child was born and found that the right thumb side by side with an extra small finger, there are bones and nails, as if they can not move alone, feel like a finger from the bone of the thumb bifurcation Last Thursday to your hospital to see the doctor (I do not know the name) said that if we are willing to adults, at that time can be billed for hospitalization or 3 months later to do it can be: 1, when can be operated on? 2.What kind of anesthesia will be used for the surgery (general anesthesia/local anesthesia/intravenous) and will it be harmful to the child? （Will the operation affect the normal development of the thumb? 4. Will there be scars after the surgery? Sun Ke, Department of Orthopedic Surgery, Shenzhen Children’s Hospital, Shenzhen, China: Generally, the operation can be done after 3 months, such as parasitic finger can be moved alone, do it late because of the transfer of tendons; those who don’t move alone, can be done early to solve the appearance. Children are under general anesthesia, and under normal circumstances, anesthesia without complications has no adverse effects on physiology or intelligence. There are benefits to the development of the thumb after surgery. There is scarring. It is hypothesized that there is a possible absence of the abductor tendon, which means that the child’s thumb is unable to make abduction movements.