Background: The family medicine resident stays in permanent contact with the primary care centers where acquire the knowledge of primary, integral and continuous care for the individual and their family. These future family doctors will be the head of the preventive and curative care and will frequently serve as counselors to family members. Objective: To determine the relationship between emotional intelligence and family functionality in Family Medicine Resident Physicians in the family medicine unit #27 of Tijuana, Mexico. Methods: Comparative cross-sectional study in family medicine resident physicians at FMU 27. Participants answered the family APGAR and TMMS- 24 scale to determine the family functionality and emotional intelligence. Descriptive statistics were used, the qualitative variables were expressed in frequencies and percentages, and the quantitative variables in measures of central tendency and dispersion. The assumption of normality was made by the Kolmogorov-Smirnov test. The Chi-squared test was used to analyze differences in categorical variables, and the Odds ratio was used to calculate risk. The information obtained was analyzed in the statistical program SPSS version 25. Results: 58 participants were included. 46 (79.3%) residents have a functional family, of which 14 (24.1%) pay little attention to their emotions and 4 (6.9%) pays too much attention. Of the total of residents, 35 (60.3%) present adequate attention. Conclusions: Although most studies affirm that there is a relationship in family functionality and emotional intelligence, a significant relationship was not confirmed.</jats:p