AIM:To analyze that appropriate primary suture is the best way to reduce the late complications of eyelid kaceration.·METHODS:Two hundred and thirty-six cases of mechanical eyelid kaceration.·RESULTS:All of the 236 cases are primary healing.After the surgery,4 patients have mild reclinatio palpebrarum,1 patient has mild trichoma.·CONCLUSION:Recovering the functions of eyelid is to thoroughly understand the eyelid anatomy,operate the eyelid carefully about the anatomic compartments,possibly keep the original tissue,reduce the tissue defect,deal with the details carefully,stitch laminated meticulously,decrease forming scars,refound the normal anatomic relation.Those are the key of successful primary treatment.