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The present invention discloses a method, device, equipment, medium and product for dynamic data desensitization, and relates to the technical field of data desensitization. The method is to obtain a sensitive data configuration set and a data classification configuration set and receive at least two columns of data to be desensitized, and then determine the subject identity identification results and sensitive identification results of the current historical data and all the current non-history data based on the above two sets, and then determine the relationship value between the current historical data and each current non-history data based on the above two results, and cumulatively calculate the total value of the current historical data, and finally decide whether to perform data desensitization processing on the current historical data based on the comparison result of the total value and the preset value, so that after the sensitive data and the like are set, the data relationship can be used to adapt to the diversified combination of data to be desensitized and complete dynamic desensitization, avoiding the risk of sensitive information being desensitized and bypassed to cause information security accidents, and simplify the settings to improve the user experience.