Abstract:This paper analyzes the main characteristics of the invasion of exotic and detrimental plant pests in China as well as their regularity of outbreak and potential risk. At present the major problems in preventing the invasion of exotic plant pests in China exist with the management system, laws and regulation, quarantine and inspection means and techniques, personnel quality and financial investment. To strengthen the functions of plant quarantine, integrate quarantine management, establish fast response systems and ensure safe trade have been recognized as important organizational steps. It is urgent to perfect the quarantine legislation and management, innovate technical standards and adopt International Standards for Phytosanitary Measures (ISPMs), accelerate pest risk analysis and revise the list of quarantine pests, improve the quarantine and inspection means and techniques, construct pest free areas and pest free bases of production, establish specific foundation for plant quarantine and promote international cooperation and exchange.