System deployment planning method and system for graded multi-element system

The invention discloses a system deployment planning method and system for a graded multi-element system, and the method comprises the steps: a system development stage: creating system software deployment configuration options for maintaining the graded multi-element system, including system levels, job classification, basic element types and function parts, a system deployment basic template set divided according to system levels and element types is manufactured and maintained, and attributes of software segment packages are configured; in the task preparation stage, newly-added customization element types are determined in combination with task requirements, newly-built system deployment customization templates are adjusted in sequence, and a system deployment template set is formed; planning and making a system deployment plan in combination with task requirements; and distributing a loading system deployment plan to the system unit, further controlling each component unit to match a system deployment te