Authors analyzed unsatisfied anatomical and functional treatment results of 118 patients after the internal osteosynthesis for fractures of long bones of extremities, which required ion performed revision surgery. Patients were examined clinically and instrumental before revision osteosynthesis, in short-term and long-term period after the operation. Authors systemized revealed mistakes into 4 groups and found out that the most frequent were tactical and technical (84.7%) mistakes, much less--diagnostic and organizational. Developed algorithm of preoperative evaluation, planning, technology, revision reconstructive operations allowed shortening recover time of anatomy and function to the average in 92.6% of patients.