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Objective To evaluated the curative effect of arthroscopic Bankart repair with use of bio-absorbable fixation tacks. Methods Sixteen patients with traumatic recurrent anterior instability of the shoulder. 12 Males and 4 females .The left shoulder in 9 and right shoulder in 7. The mean age at the time of the operation was twenty-five years. The average time from injury to operation was six months. Before operation the shoulder image had been done , in which X-ray film in 16, MRA in 7,CTA in 6 and MRI in 5. The arthroscopic technique included of debridement and Bankart repair using 2 to 3 bio-absorbable fixation tacks underwent arthroscopic. Results All of the patients were followup, average time 11 months , no redislocation and instability. According to the UCLA (UniverSity of California at Los Angeles) score showed all shoulder scores improved after surgery , preoperative 22.5 ±5.6 and postoperative 31.4±5.8, excellent score in 9,good score in 5 and fair score in 2; no poor score. Conclusions Arthroscopic capsulolabral repair with use of bio-absorbable fixation tacks had provide a satisfactory outcomes in function, stability and range of motion. The procedure has many advantages, such as the operation convenient , fixation safety , mini-invation, rapid recovery and early rehabilitation.