Objective To explore the application effect of high-strength fiber resin veneer in cosmetic repair of anterior teeth. Methods From August 2019 to August 2022, 80 patients who underwent cosmetic repair of anterior teeth in Qiaodong SU Min Dental Clinic were selected as the research objects. They were divided into control group and observation group by random number table method, with 40 cases in each group. The control group was repaired with traditional porcelain veneer, and the observation group was repaired with high-strength fiber resin veneer. The cosmetic effect, repair effect and complications of the two groups were compared. Results The WES score and PES score of the observation group were higher than those of the control group at 3 months after treatment (P