This child was born with severe deformity of both hands: only 4 fingers on the left hand, the thumb and index finger were parallel, the middle finger was missing, and in the original position of the middle finger was a deep cleft, and his right hand was also cleft, and both hands were functionally very poor. The deformity was particularly severe before the surgery, and after the surgery the child had a flexible hand After I was seen, the surgical treatment plan given was to separate the parallel fingers and repair the cleft hand. The first surgery was performed in two stages: the first surgery was performed on the left parallel finger, and the split finger method was used to repair the split hand of the right hand without skin grafting while reconstructing the tiger’s mouth; the second surgery was performed six months later to repair the split hand of the left hand. The child’s mother accepted my surgical plan and the surgery was done successfully. Because the child’s preoperative deformity was particularly severe and the hand function was almost non-existent, before coming to me, the child’s mother also asked more doctors, and the overall result made her just want to separate the child’s fingers and repair the cleft hand, without expecting too good results, so after the surgery I gave her a lot of psychological construction, that is, to encourage her to use various ways to guide the child to do functional exercises. Later, after continuous exercise, she slowly found that her child’s hand was becoming more and more functional, so she herself had confidence, and then she passed her confidence to her child, and now her child is very flexible in assembling toys and drawing with a pen. Functional exercise after finger juxtaposition is very important, parents must be patient and guide! After syndactyly, for simple complete or incomplete syndactyly, or even some complex syndactyly, as long as it is not accompanied by some other deformities, the patients can generally recover well after functional exercise. However, for some special syndactyly, functional exercise requires more care and patience. For example, in this child, because his thumb and index finger were combined before surgery, his thumb was not palmarized, and palmarization is very important. During the long-term functional exercise process, I think the child’s mother did a very good job, encouraging the child to do a lot of functional exercises with his hand, including passive functional exercises and active play with toys. Functional exercise is not a quick fix, there is a gradual process Functional exercise is not a quick fix to achieve the desired effect. During this child’s functional exercise process, I often told his mother to encourage him and give him the confidence to reach out to some toys so that he could maximize the function of his thumbs. This process is gradually achieved step by step, not all at once let him get all the functions, but at first let his thumb to be able to stretch outward a little, and then a little bit to the palm, this time do not let him take too big things, let him just take more than his existing function a little bit of things, a little bit heavier, a little bit bigger, a little bit more delicate, let him to get, a little bit to increase. This requires us parents to observe and guide in the process, and these are tasks that we doctors cannot do. That’s why we often say that after a child’s hand deformity surgery, the doctor’s job is part of the job, and the mom and dad’s job is an even bigger part. All the successful cases we see now have one very obvious feature: that is, mom and dad, grandparents and grandparents constantly encourage the child to exercise. There are times when if we don’t give the child enough encouragement and help psychologically, the child tends to think he can’t do something, but in fact he can, so we have to let him do it step by step with functional exercises, so that in the end the post-operative child will have a more desirable outcome both in appearance and function.