Seven days after operation still belongs to early postoperative pain. At this time, you can no longer bear it hard and try to bear the pain. The pain of replantation of severed fingers will cause vasospasm, which will lead to the failure of surgery. Go to the hospital in time to see if there is any wound infection. If the wound is not thoroughly cleaned at the beginning of the operation, it will lead to serious pollution or contusion at the wound, and it will easily lead to infection and pain after the operation. In addition, if you are in the north or in a cold environment, you will feel cold and painful after replanting your severed finger. The solution is to keep warm by hand and avoid the cold environment.