There is no cross-infection in the people who do e-laryngoscopy. The otolaryngology department of the hospital has a strict instrument disinfection management system, and will carry out strict disinfection management on the electronic laryngoscope, so there will be no cross-infection in the electronic laryngoscope. Electronic laryngoscope is a commonly used examination tool in otolaryngology to check the patient’s nasal mucosa, the shape of the nasal cavity and the pharynx with or without tumors and foreign bodies through the nasal cavity or the oral cavity approach. The choice of examination is one person one mirror, after the use of the electronic laryngoscope will be strictly rinsed, disinfection, cleaning. All the bacteria and viruses on the e-pharyngoscope will be killed. At the same time, the operating doctor will strictly abide by the principle of asepsis, wearing masks and gloves, to ensure that the whole process of e-pharyngoscopy is aseptic, and no cross-infection will occur. You should go to a regular hospital for examination and inform the doctor in time if you have any discomfort after the operation.