Service pack upgrade file generation method and device, equipment and storage medium

The invention relates to the field of software, and discloses a service pack upgrade file generation method and device and a storage medium. The method comprises the steps that a function interface corresponding to a generated service pack upgrading file is pushed, and a target software installation compression package and a target differentiation file compression package selected in the function interface are recognized; responding to a script running command triggered by a user, executing the script running command, and decompressing the target software installation compressed package and the target differentiation file compressed package to obtain a target software installation package and a target differentiation file; calling a preset upgrading script through the analogue simulation operation; and executing a preset upgrading script, and generating a service pack upgrading file through a difference updating algorithm according to the target software installation package and the target differentiation fil