The invention discloses a method for data sharing based on distributed virtualization database services. The method comprises the following steps: a step 1) of setting up each node database; a step 2) of setting up a virtualization database service environment and configuring virtualization database service parameters; a step 3) of starting the services; a step 4) of sending out an access instruction by a user, analyzing the user instruction, and outputting results. According to the method for data sharing based on the distributed virtualization database services, a distributed node access and storage mode is adopted, random extension of shared partial nodes is supported, each shared node can be maintained and managed by contributors, and one-time investment and the technical development cost and the like under a conventional mode can be greatly reduced. According to the method, databases between different industries and between different regions can be accessed into a virtualized shared database, so as to facilitate shared utilization better.