For newborns with an extra thumb, the following measures can be used to deal with the situation. First of all, you can give the newborn timely conservative treatment, if the newborn’s thumb although more than one, but the deformity is not very obvious, more than one thumb is relatively small, does not affect the newborn’s normal grasp, in this case, only need to be conservative observation treatment. Secondly, timely surgical treatment should be carried out, if the newborn’s extra thumb, the length is relatively long, and affects the newborn’s normal grasping objects. In this case, the newborn should be given timely surgical treatment to remove the extra thumb. This procedure is relatively safe and parents can safely apply it to their newborns.