ThisThis research is aimed to analyzed the customers' decision to save money in syariah bank. The subjects of the research were the informants who could give accurate data based on the condition and the event happened at the setting of the research. In this case, the subjects were the customers of syariah bank in Sleman Regency. There were one hundred respondents as the sample of the research. They were chosen by using the methods of probability sampling and simple random sampling which were done by using incidental technique. Doubled Linier Regression method by using SPSS analysis instrument version 16.0 was used to analyze the data of the research. Based on the analysis, it is found that the quality of service significantly influences the c.ustomers' decisison to save money at syariah bank, the location does not significantly influence the customers' decisison to save money at syariah bank, the devident distribution system significantly influences the customers' decisison to save money at syariah bank and the administration cost significantly influences the customers' decisison to save money at syariah bank.