Aims: Family is the smallest and the most important institution of the society; providing the health of this institution is one of the fundamental issues of all countries. Lifestyle has a major role in controlling and preventing diseases, and the habits that are changing the nature of today's industrial and modern world are damaging the quality of health, which reveals the importance of choosing a proper lifestyle. The present study was conducted with the aim of evaluating the correlation between lifestyle components with general health in family.Materials & Methods: In this descriptive study with correlation method, which was carried out in Tehran in 2015, 300 individuals from Tehran in the age range of 25 to 50 years old were randomly selected. The research instruments were Lifestyle Questionnaire (LSQ) and General Health Questionnaire (GHQ). The data were analyzed by SPSS 19, using Pearson correlation coefficient and linear regression analysis.Findings: There was a positive and significant correlation between general health and lifestyle (r=0.695) and physical health (r=0.524), mental health (r=0.707), social health (r=0.561), and spiritual health (r=550), and lifestyle, social health, physical health, mental health, and spiritual health explained general health (p<0.05) as 37%, 41%, 18%, 52%, and 25%, respectively.Conclusion: Improvement of ifestyle develops the general health of family members.