background: The social problems in families related to multimorbid patients causes hospital stays for nonmedical reasons. This paper presents the results of an investigation conducted by the unit of social Work, with hospitalized multimorbid patients with. The overall objective is to demonstrate that with early social intervention, social risk situations will not hinder or delay hospital stays. methods: design: Hospital-based retrospective study at the medical unit of multipathological patients, san Juan de dios, university Hospital Virgen de las nieves in Granada. From 01.01.2005 to 12-31-12-2010. sample size: The total number of patients was 1184;, data were collected from social records and social/family Rating scale of Gijon (eG). Analysis: Quantitative variables were expressed by location and dispersion measures and qualitative variables by absolute and relative frequencies. For the association between two nominal variables we used the Chi-cuadrado test. Results: The mean age of patients was 78 years (sd: 10.33). 52.7% were women. 55.3% of patients were in social risk. Family withdrawal showed 32.5%. Family interviews were conducted in 32,5% of cases. After their hospital stay, 39.7% returned home. The average hospital stay, after social discharge, was 16.8 days (sd = 21.28 days) and an associated median of 9 days. Conclusions: most patients entering with multimorbidity diagnosis are in a social risk situation. Patients with different levels of social risk, use different time amounts of social intervention. social risk situations do not prevent hospital discharge.