Cache data updating method and device and electronic equipment

The invention provides a cache data updating method and device and electronic equipment, and the method comprises the steps: obtaining target cache configuration information from a pre-configured cache updating configuration table; wherein the target cache configuration information is used for indicating that target data in the database is modified, and target cache data corresponding to the target data in the cache needs to be updated; determining a target update class corresponding to the target data from pre-configured update classes based on the target cache configuration information; and based on the target update class, obtaining target data from the database, and updating target cache data in the cache according to the target data. In the mode, according to the cache configuration information in the cache updating configuration table, when the data in the database is modified, the cache configuration information corresponding to the cache data needing to be updated can be obtained, and according to the