Pulp treatments are one of the types of procedures most performed in pediatric patients, whose primary objective is to restore the masticatory, aesthetic and phonetic function. The objective of this study was to determine the frequency of pulp treatments performed in patients from 3 to 11 years of age treated at the Pediatric Dentistry Service of the Centro Dental Docente Cayetano Heredia from January 2015 to December 2019. The search for the medical records of patients treated at the Pediatric Dentistry Service who have met the inclusion and exclusion criteria. Data were collected on age, sex, type of dentition and tooth, for the elaboration of a database, and later tables of contents. Of a sample of 514 virtual medical records, with 1166 pulp treatments performed, indirect pulp treatment was the most performed for both sexes, 41.17% (n=247) for females and 34.98% (n=198) for males. According to age range, 3 to 5 years of age are the patients who received more indirect pulp treatment with 39.06% (n=359). The majority of patients with deciduous dentition underwent indirect pulp treatment with 39.32% (n=326). Being the tooth most treated with indirect pulp treatment 84 with 41.18% (n=70). The pulp treatment that was most performed in our study was indirect pulp treatment followed by pulpectomy and pulpotomy. The female sex, age group 3 to 5 years and deciduous dentition were the ones that received the most pulp treatments. The teeth with the highest frequency of pulp treatments were the second lower left molar and the first lower right molar, and those with the least frequency were the lower right and left canines.