Method and system for safely uploading and storing operation data of Internet of Things terminal

The invention relates to the technical field of data security processing, and provides an Internet of Things terminal operation data security uploading and storage method and system, and the method comprises the steps: constructing a communication channel between an Internet of Things terminal and a gateway node based on the working state of the gateway node in the Internet of Things and the position information of the Internet of Things terminal, optimal data transmission between the Internet of Things terminal and the gateway node is ensured; data sampling detection processing is carried out on the Internet of Things terminal, a data identification record is generated, when the Internet of Things terminal needs to upload data, a to-be-uploaded data packet is generated based on the data identification record, and the data reliability of the to-be-uploaded data packet is ensured; on the basis of the data receiving log of the data storage terminal, determining an allowable connection time period between the In