In order to improve the traceability capabilities of tobacco product quality during the process from planting to made into cigarette,traceability system for tobacco product quality was built based on the technologies of internet of things,RFID,two-dimensional code,etc.This system is helpful to farmers and cigarette factory in information management and query of tobacco in planting production,and it also can provide the query platform for market regulators,sellers and consumers.The realizations of tobacco tr...