ObjectiveTo investigate the application of nasal clip in the one-stage repair of unilateral cleft lip nasal deformity.MethodsSixty patients with unilateral cleft lip nasal deformity underwent one-stage repair in the Department of Cleft Lip and Palate, West China Hospital of Stomatology, Sichuan University, from January 2017—June 2018. Sixty patients were divided into three groups, nasal clip group, the nasal module group, and the control group. All of the patients were returned to the clinic after the operation (6-12 months), and the nasal appearance was evaluated.ResultsThe nasal shape development and aesthetic effect in the nasal clip group were significantly improved than that in the control group (P<0 .05).ConclusionThe nasal clip has a good effect on the improvement of nasal appearance after the one-stage repair of unilateral cleft lip nasal deformity. The nasal clip is easy to operate, and the patient compliance is good, which is worthy of clinical promotion.