·AIM:To observe clinical features and effects of early surgery for ocular torticollis in infants.·METHODS:Clinical data of 70 infants with ocular torticollis were retrospectively analyzed.Preoperative exam of the Bielschowsky’s head tilt test,nine cardinal field of gaze and fundus photography,the ocular muscle anomaly was analyzed,then the reason of ocular torticollis was diagnosed.The angle horizontal strabismus was calculated by the computer-aided strabismus diagnosis technology.The patients with superior oblique palsy and overacting inferior oblique muscle,were treated with inferior oblique myectomy,The different ways of surgery were designed for other patients with different type of the strabismus.The quantity of horizontal strabismus surgery was decided by the computer-aided strabismus diagnosis technology for patients with horizontal strabismus.·RESULTS:All the patients can be found to be connected with the primary affection.The most common cause was simple unilateral superior oblique palsy,54 patients(77%).All patients were treated by surgery.After primary surgery,64 patiennts(91%)with head tilt were completely curd or improved in half a year,6 patients were failed.The three of 6 patients were treated with secondary surgery,all the three patients had their head tilt a complete cure or improved.All the horizontal strabismus was cured in primary surgery for 11 patients(16%)with horizontal strabismus.·CONCLUSION:There are different causes of ocular torticollis in infants,early surgery can obtain satisfactory results.·