The paper provides an overview of scientific sources relating to congenital malformations of the external ear, including changes in the size, position, structure of the auricle, etc. Purpose of the study the mechanism of formation of malformations of the external ear, their classification and methods of diagnosis and treatment. Material and methods. The work uses bibliosystematic and analytical methods for searching and analyzing scientific information obtained from available scientific publications. Results. Congenital malformations can be complex and varied , and considerable attention has been paid to their unification. The article describes typical defects of the tubercles, combined defects, their classification by severity and location. A wide range of clinical and instrumental research methods have been developed that are used to diagnose hearing defects, as well as methods for treating ear defects. Conclusions. Malformations of the hearing organ are a complex pathology that requires careful attention and highly qualified doctors. Treatment of patients with this pathology is complex, multi-stage and expensive. Implant prosthetics can provide patients with full-fledged hearing.