Results: among 50 patients (male / female = 1, 5) postoperative adhesive bowel obstruction, the successful ratio of laparoscopic adhesiolysis was 84%; the fourth trocar was needed in 16%; 54% of cases was due to single band, 80% of patients was treated by pure laparoscopic, 6% needed open a small <5 cm incision, 14% had to convert to open surgery, the mean time surgery in the pure laparoscopic group was 82, 38 min; intraoperative complications included intestinal serosa tear (10%), bowel perforation (6%); the main etiologic agent of conversion was deep adhesion (10%); postoperative complications included septic shock (2%), hospital pneumonia (2%).