Objective To explore the effect of external ear correction model on children with congenital auricle deformity at different ages. Methods A total of 80 children with congenital auricle deformity admitted to our hospital from April 2022 to October 2023 were selected as the study control. They were divided into group A (n =24), group B (n =34) and group C (n =22) according to different ages. Group A was neonates aged ≤28 days, group B was neonates aged 28-90 days, and group C was neonates aged ≥90 days. All of them were treated with external ear correction model. The clinical efficacy, complications and prognosis of the three groups were compared. Results The total effective rate of treatment in group A was 100.00%, which was higher than 85.29% in group B and 72.73% in group C, and the difference was statistically significant (P <0.05). The incidence of complications in group A was 8.33%, which was lower than 17.65% in group B and 40.91% in group C, and the difference was statistically significant (P <0.05). The effective time, consolidation time and complete correction time of group A were shorter than those of group B and group C, and the differences were statistically significant (P <0.05). Conclusion The external ear correction model has a good effect in the treatment of congenital auricle deformity. It has the best application effect and safety in neonates aged ≤28 days. In order to shorten the correction time, it needs to be treated in the early stage of diagnosis, so as to avoid delaying the best rehabilitation time and affecting the prognosis.