Background: Most of the society expect that every hospital, both government and private, are able to offer a good and satisfying services for all of its patients regardless of their social background. Therefore, hospitals are required to improve their service quality to their patients. This research is made in purpose to understand the influence of the service quality of the hospitals to the inpatients in Sultan Immanudin Hospital, Pangkalan Bun, Central Kalimantan. Method: Quantitative research with questionnaire method. The target are all the impatients that has been hospitalized for minimum 48 hours. Total of the sample are 100 inpatients and the analysis of the data is using multiple linear regression. Result: As per the analysis of the statistic, the indicator in this research is valid and reliable. The dimensions of the service quality such as tangible, reliability, responsiveness, assurance, empathy and trust are simultaneously and significantly affecting the inpatients satisfaction. Based on the overall test result, the variables are p