The invention discloses a service management method and device for ensuring service continuity and a storage medium. The method comprises the following steps: S1, adding a service management side intoa deployment mirror image; S2, performing real-time monitoring on each published service through a service management side, and reporting monitoring data to a scheduling center; S3, based on the reported data, classifying the services in a scheduling center, and determining a corresponding health degree; S4, based on the health degree and the service state of each service, carrying out corresponding processing on each service; and S5, processing services of various health degrees in the flood peak flow process according to the steps S2-S4. According to the invention, automatic processing canbe realized during service operation, a basic monitoring function is provided, the availability is improved, and the service operation and maintenance cost is reduced.