Internet of Things attack data storage method and device based on distributed storage system

The invention provides an Internet of Things attack data storage method based on a distributed storage system, the distributed storage system at least comprises one database and a plurality of storage nodes, and the method comprises the following steps: the distributed storage system receives collected equipment information of Internet of Things equipment and attacked digital evidence; according to the IP address and the device type of the Internet of Things device, whether a record of the Internet of Things device exists in a database or not is inquired, the database comprises a master table for storing device information of the Internet of Things device and a slave table for storing the storage position of the attacked digital evidence, and if the record of the Internet of Things device exists, the attacked digital evidence is sent to the Internet of Things device; if the record of the Internet of Things equipment exists, querying the storage position of the attacked digital evidence corresponding to the re