Abstract: Objective In order to further decrease and reduce the serious adverse events of silicone rubber endotracheal intubation in clinical use, especially in anesthesia and intensive care. Methods Through the first stage analysis on the registration and certification of endotracheal intubation products in China, adverse events of products in recent five years in Zhejiang province, domestic and foreign literature of adverse events of products, retrieval of product citation standards, content integrity of product instructions, and expert seminar on serious adverse events, combined with the air leakage of endotracheal intubation products in recent two years, product material and clinical application with normative aspects. Results Silicone rubber endotracheal intubation products in clinical intensive care have certain clinical safety risks, especially for long-term use of critically ill patients. Conclusion According to the four cases of serious adverse events of silicone rubber endotracheal intubation in the clinical intensive care unit, we put forward some suggestions for the manufacturers, clinical users and regulatory agencies to further decrease and reduce the serious adverse events of silicone rubber endotracheal intubation.