General Objective: To evaluate family functionality after the health emergency at the first level of care. Material and Methods: A prospective, non-comparative cross-sectional study was carried out through studies of family functionality with the ff-sil instrument and evaluation of the marital subsystem with the Chavez-Velasco marital subsystem instrument applied to the families assigned to the unit of family medicine No. 32 of the IMSS of Guadalupe, Nuevo León. Through non probabilistic convenience sampling. Results: 609 participants were included, of which 30.24% had some degree of family dysfunction, this was identified as 19.58% of dysfunction at the marital subsystem level. A 32.73% of family functionality alterations were found in the families that had Home office X2:13 and a p of 0.01. Conclusion: The health contingency is a watershed of the need to interact more as a family, due to social isolation the family lives more, however there is the presence of family dysfunction and it is important to identify it for its timely management.