Objective To understand the current situation of eHealth literacy of maintenance hemodialysis (MHD) patients and analyze the influencing factors to improve the eHealth literacy of MHD patients. Methods Using cross-sectional survey method, MHD patients in West China Hospital of Sichuan University were selected as the subjects between February and April 2022. eHealth Literacy Scale (eHEALS) was used to investigate the status of eHealth literacy, and the influencing factors of MHD patients were analyzed. Results A total of 194 MHD patients were investigated. The total eHEALS score of MHD patients was 24.55±9.14. The results of generalized linear regression showed that education level, medical payment method, age, frequency of internet forums, interest in internet health knowledge search, and Baidu search engine (a common channel for searching disease information online) were the influencing factors of MHD patients’ electronic health literacy. Conclusion The electronic health literacy level of MHD patients is low, so renal medical staff should pay attention to the electronic health literacy of MHD patients and develop targeted interventions to help patients better manage their own health problems.