Surgery for six fingers in children needs to be registered with the Department of Hand and Foot Surgery. If the six fingers do not affect the function of the joints of the hand, surgery may not be needed, but if it affects the function of the joints of the hand or affects the aesthetics, surgery may be carried out. Sixth finger is a congenital developmental deformity, mostly due to genetic factors, as well as the mother’s exposure to viral infections during pregnancy and exposure to radioactive substances. Six fingers in children are mainly characterized by polydactyly of the fingers, such as polydactyly of the thumb, polydactyly of the pinky thumb, and small, curved fingers. Children with six fingers need to hang up the hand and foot surgery. If the condition is severe, affecting the ability to grasp the fingers as well as aesthetics, surgery is often indicated. Surgery should be performed before school age. If the surgery affects the development of the healthy finger, the surgery can be performed after the healthy finger has developed normally. Children with six fingers need to go to a regular hospital, the doctor according to the child’s condition, surgical correction treatment.