Abstract: To clarify problems in the application of registered smoke agents in China, provide references for the management and rational use of smoke agents, and improve the quality and safety of vegetable products, by the information inquiry through the official network platform and the field investigation, the product structure of the smoke agents was analyzed, and the problems in the application were summarized. The results showed that in general, there were insufficient new smoke agents, current smoke agents had fewer registered crops and control objects, and single function. Quality problems were found in some smoke agents in the market, including some active ingredients were not coincide with the label, detected contents were inconsistent with the label, some ingredients were not labeled, counterfeit and shoddy products were common and so on. The main problems in the application of smoke agents were the over-the-range use and insufficient safety intervals. Finally, some suggestions were proposed as timely adjustment of the product structure in registration, strengthening the law enforcement of agricultural departments, and rational application.