This thesis is aimed to know the influence of factors of work satisfaction toward social service of orphanage in entire Surakarta residency. The factors of employee work satisfaction is measured based on the work they have done and based on their prosperity and work environment. The population is all of the employees un the orphanage of entire Surakarta residency. The sample is takes as number of 100 respondents by using sampling proportional technique. The technique of collecting data is questioner. The data analysis of this research is double linier regression analysis. The result of double linier regression shows partially and simultantly the factors of employee work satisfaction consist of the work having done, prosperity, and work environment significantly influence toward social service of orphanage in entire Surakarta residency.