This investigation related to application of Bank Mobile service by customers in Iran that it applied for deep comprehension of effective factors on application of Bank Mobile service by customers. Therefore, using existent model in literature investigate effective factors in acceptance of these tools .Statistical community in this investigation includes all customers that used Bank Mobile service in MELLI Bank Department of ZAHEDAN city. To select sample used simple random sampling method. In addition to gather data from questionnaire and analysis of research assumption used structural equation modeling. Recent research in procedure is effect investigation and in performance is survey and its aim I application research .Result of research showed that perceived security, perceived facility, perceived usefulness and perceived cost are effective factors on customer tendency to use Bank Mobile services.