Abstract: The present study was aimed to examine the effect of organizational memory on sharing knowledge in Medical Sciences and Health Services University in Bushehr. Research method was practical in terms of objective and in terms of data collection method, it was descriptive-correlational. The statistical population of the present research consisted of 301 people working in educational deputies, research and technology deputies and cultural and scholastic deputies. From them, 170 individuals were selected as sample size, using Morgan and Krejcie tables and stratified random sampling method. In order to collect data, Beig and Ghavamifar’s 052 standard organizational memory questionnaire (21 items) and Rahnavard and Sadr’s sharing questionnaire were used. After collecting the questionnaires, examination of data and hypothesis testing was done through structural equations modeling method and Smart PLS 2 in two study measurement model section and structural study. In the first study, technical characteristics of the questionnaire were examined, including reliability, convergent validity and divergent validity exclusive to PLS Software. In the second study significance coefficients of the software were used in order to examine research hypotheses. Results showed that organizational memory and its components such as personal memory, cultural memory, managerial memory and research-development memory affect sharing knowledge in Medical Sciences University and Health Services in Bushehr.