The purpose of this research is to investigate the effect of intellectual capital on the relationship between innovation strategy and financial performance (case study: Housing Bank of Mazandaran Province). In terms of practical purpose and in terms of method, this research is classified as descriptive-correlation research. The statistical population of the current research is all the employees of the Housing Bank of Mazandaran province in 1402, numbering 177 people. The sample size of the target population is calculated according to Morgan's table for a limited population of 117 people. Sampling is a simple random method. The collection tool in this research is a standard questionnaire, the reliability of which was confirmed using Cronbach's alpha coefficient higher than 0.7. Descriptive and inferential statistics were used for the statistical analysis of the findings. In the first part, the descriptive analysis of the findings is presented in the form of tables and graphs. In the second part, SPSS version 24 statistical software and Smart Pls structural equation modeling were used for statistical inference and hypothesis testing. The results of the research show that all the hypotheses of the research have been confirmed and also the research has shown that among the hypotheses, intellectual capital has the greatest impact on the relationship between innovation strategy and financial performance.