Nasal polyposis is one of the most frequent causes of nasal obstruction in Otorhinolaryngologic. This disorder is associated to symptoms as nasal congestion, facial pain and olfactory disturbances. Although olfactory disorders are indicated as one patient's complaint, the study of smell disorders in patients with nasal polyposis has been performed in other countries, in Latin America it is beginning. The aim of this work is to review the association between smell disorders and nasal polyposis as the approach of these concomitant pathologies.