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The present application relates to the field of industrial automation control, and specifically provides a programmable logic controller program automatic acquisition method, a storage medium and an electronic device, aiming at solving the problem that multiple types of processor programs cannot be automatically collected. To this end, the acquisition method of the present application comprises: acquiring the type of central processing unit contained in the programmable logic controller; the type includes a standard central processing unit and a fail-safe central processing unit; according to the type, determining the program upload mode of the programmable logic controller; according to the program upload mode, uploading the program of the programmable logic controller. The present application can realize compatible collection of standard central processing unit and fail-safe central processing unit device programs, and reduce the labor cost and time cost of industrial device program operation and maintenance.