Multi-tenant database isolation method and device and electronic equipment

The invention provides a multi-tenant database isolation method and device and electronic equipment, and the method comprises the steps: determining a target tenant corresponding to a tenant according to a preset multi-tenant management module if a business request of a user is received, wherein the multi-tenant management module runs on a specified operating system, and the specified operating system is in communication connection with a first database, and the multi-tenant management module is used for managing logic relations among a plurality of databases, and each database corresponds to one tenant; determining a second database corresponding to the target tenant according to the multi-tenant management module; and switching the specified operating system from the first database to the second database. According to the multi-tenant database isolation method provided by the embodiment of the invention, the databases are isolated, and the logic relationship between the databases is managed, so that the mul