As the main safety protection device for elevator doors,the light curtain plays a very important role in ensuring the safety of elevator door closing.This article conducts electromagnetic compatibility testing research on elevator light curtains by sorting out corresponding standards and specifications in China,combined with electromagnetic interference forms that may significantly affect the performance of light curtains.In response to the problems found during the testing process,corresponding measures to improve the electromagnetic compatibility of light curtains are proposed for manufacturing units and inspection institutions to comprehensively consider the electromagnetic safety of light curtains and ensure the safety of elevator passengers.