During the contest’s run, it was one of the most successful countries with a record six wins, including a back-to-back victory in 1989 and 1990, and fourteen top 3 finishes.

In fact, Telesistema Mexicano, had selected Alberto Ángel "El Cuervo" as their representative with the song "Yo no voy a la guerra" composed by Roberto Cantoral, but the entry was disqualified because both the OTI and some voices in Francoist Spain felt that the song had political intentions, which made it unsuitable to compete in the contest.

[3] Two year later, in 1975, the country won again the contest in San Juan with the song "La felicidad" sung by Gualberto Castro.

Televisa hosted the OTI festival six times, in 1974 and 1976 in the Ruiz de Alarcón Theatre in Acapulco.

This selection process is usually compared with its Swedish Eurovision Song Contest counterpart, the Melodifestivalen, due to the interest that it created and the big names who tried to represent México in the main OTI Festival.