Product tracing method, system and device based on Internet of Things and storage medium

The invention relates to the technical field of product traceability, and discloses a product traceability method, system and device based on the Internet of Things and a storage medium, and the method comprises the steps: obtaining product production plan information to create a product three-dimensional model and a plurality of traceability information forms; processing unit information, material information and time information corresponding to the target production link are obtained through a label reader-writer and input into an information coding model to generate link tracing information, and the link tracing information is input into a link information input box corresponding to the target link finished piece; inputting traceability information of each link in a traceability information form corresponding to the target product into the information simplification model to generate a product traceability code and marking the product traceability code to the target product; receiving product fault feedba