This research aimed to test the significance of the influence of the variable Promotion Mix i.e. Advertising, Sales Promotion, Publicity, and Personal Selling Saving Decision to Simpedes at PT. Bank Rakyat Indonesia (Persero) Tbk. Pattimura Semarang branch office either simultaneously or partial. The population in this research is the savings customers Simpedes at PT. Bank Rakyat Indonesia (Persero) Tbk. Pattimura Semarang branch office. The sampling technique used in this research was a non-probability sampling. Model analysis used is multiple linear regression analysis and analysis techniques to test the hypothesis using the t-statistic to test the significance of 5% and the F-statistic and R2 to test the significance simultaneously. The analysis showed that the variables of Advertising, Sales Promotion, Publicity, and Personal Selling positive and significant impact on customer saving decisions Simpedes. Variable Advertising, Sales Promotion, Publicity, and Personal Selling together simultaneously positive and significant impact on customer saving decisions Simpedes at PT. Bank Rakyat Indonesia (Persero) Tbk. Pattimura Semarang branch office. The predictive ability of these three variables on the customer's saving decision Simpedes by 52.8% while the remaining 47.2% is influenced by other factors not included in the research model If PT. Bank Rakyat Indonesia (Persero), Tbk. Pattimura Semarang branch office wants to increase the saving decision on Simpedes product so that is expected to set a goal of advertising and content right message because the right advertisement and the interesting message will increase the customer’s saving decision.