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Based on confirming the demand and significance of equipment maintenance task scheduling, research status of equipment maintenance task scheduling theory and strategy is analyzed: in the maintenance task scheduling theory aspect, preemption scheduling, non-preemption scheduling, static scheduling and dynamic scheduling are analyzed according by scheduling characteristic; in the maintenance task scheduling strategy aspect, clock drive scheduling strategy, priority scheduling strategy and other scheduling strategy are analyzed according by scheduling target and characteristic. It is put forward that equipment maintenance task preemption scheduling and hybrid strategy should be further researched based on results from analysis of current research status.